diff --git a/app/citizen-frontend/src/components/layout/DefaultLayout.vue b/app/citizen-frontend/src/components/layout/DefaultLayout.vue
index 720cebd..4493df3 100644
--- a/app/citizen-frontend/src/components/layout/DefaultLayout.vue
+++ b/app/citizen-frontend/src/components/layout/DefaultLayout.vue
@@ -100,6 +100,15 @@
           to="/"
         />
 
+        <v-list-item
+          v-if="store.isLoggedIn"
+          color="primary"
+          prepend-icon="mdi-account-edit"
+          title="個人資料修改"
+          to="/profile"
+          @click="drawer = false"
+        />
+
         <v-list-item
           color="primary"
           prepend-icon="mdi-information-outline"
@@ -149,13 +158,6 @@
             title="資料授權與隱私條款"
             @click="showPrivacy = true"
           />
-
-          <v-list-item
-            color="primary"
-            prepend-icon="mdi-phone"
-            title="緊急聯絡人資訊"
-            @click="showEmergency = true"
-          />
         </v-list>
       </template>
 
@@ -270,48 +272,6 @@
         </v-card-actions>
       </v-card>
     </v-dialog>
-
-    <!-- 緊急聯絡人對話框 -->
-    <v-dialog v-model="showEmergency" max-width="500">
-      <v-card class="rounded-xl">
-        <v-card-title
-          class="bg-primary text-white font-weight-bold d-flex align-center"
-        >
-          <v-icon class="mr-2" icon="mdi-alert-circle-outline" />
-          緊急聯絡資訊
-        </v-card-title>
-
-        <v-card-text class="pt-4 text-body-1">
-          <v-text-field
-            v-model="store.userProfile.emergencyContact"
-            class="mb-3"
-            color="primary"
-            density="comfortable"
-            label="緊急聯絡人姓名"
-            variant="outlined"
-          />
-
-          <v-text-field
-            v-model="store.userProfile.emergencyPhone"
-            color="primary"
-            density="comfortable"
-            label="緊急聯絡人電話"
-            variant="outlined"
-          />
-        </v-card-text>
-
-        <v-card-actions class="justify-end px-4 pb-4">
-          <v-btn
-            class="rounded-lg px-4"
-            color="primary"
-            variant="flat"
-            @click="showEmergency = false"
-          >
-            儲存並關閉
-          </v-btn>
-        </v-card-actions>
-      </v-card>
-    </v-dialog>
   </v-app>
 </template>
 
@@ -327,7 +287,6 @@ const route = useRoute();
 const drawer = ref(false);
 const activeTab = ref("home");
 const showPrivacy = ref(false);
-const showEmergency = ref(false);
 
 // 無障礙狀態 (可持久化儲存於 localStorage)
 const isLargeText = ref(localStorage.getItem("mode-large-text") === "true");
diff --git a/app/citizen-frontend/src/pages/login.vue b/app/citizen-frontend/src/pages/login.vue
index 367809d..3a01c19 100644
--- a/app/citizen-frontend/src/pages/login.vue
+++ b/app/citizen-frontend/src/pages/login.vue
@@ -50,6 +50,7 @@
                 color="primary"
                 hide-details="auto"
                 label="登入密碼"
+                placeholder="例如: 00000000"
                 prepend-inner-icon="mdi-lock-outline"
                 required
                 rounded="lg"
diff --git a/app/citizen-frontend/src/pages/profile.vue b/app/citizen-frontend/src/pages/profile.vue
new file mode 100644
index 0000000..d3f4907
--- /dev/null
+++ b/app/citizen-frontend/src/pages/profile.vue
@@ -0,0 +1,363 @@
+<template>
+  <Layout>
+    <template #main>
+      <div class="profile-page">
+        <v-card class="mb-6" variant="flat">
+          <v-card-title class="text-primary font-weight-bold"
+            >個人資料修改</v-card-title
+          >
+          <v-card-subtitle class="text-grey-darken-3"
+            >更新您的基本資料與緊急聯絡資訊。</v-card-subtitle
+          >
+        </v-card>
+
+        <v-card class="rounded-xl" color="surface" variant="flat">
+          <v-card-title class="mb-4">基本資料</v-card-title>
+          <v-card-text>
+            <v-alert
+              v-if="errorMessage"
+              class="mb-4"
+              density="compact"
+              type="error"
+              variant="tonal"
+            >
+              {{ errorMessage }}
+            </v-alert>
+
+            <v-alert
+              v-if="successMessage"
+              class="mb-4"
+              density="compact"
+              type="success"
+              variant="tonal"
+            >
+              {{ successMessage }}
+            </v-alert>
+
+            <v-progress-linear
+              v-if="initialLoading"
+              class="mb-4"
+              color="secondary"
+              indeterminate
+            />
+
+            <v-form @submit.prevent="handleSubmit">
+              <v-text-field
+                :model-value="store.userProfile.phone"
+                color="primary"
+                label="手機號碼"
+                readonly
+                type="tel"
+                variant="outlined"
+                hide-details
+              />
+
+              <v-alert
+                class="mb-4 mt-2"
+                color="warning"
+                density="compact"
+                icon="mdi-lock-outline"
+                variant="tonal"
+              >
+                手機門號不可由個人資料修改
+              </v-alert>
+
+              <v-text-field
+                v-model="form.name"
+                class="mb-2"
+                color="primary"
+                label="姓名"
+                :readonly="initialLoading"
+                variant="outlined"
+              />
+
+              <v-row>
+                <v-col cols="12" sm="6">
+                  <v-select
+                    v-model="form.gender"
+                    class="mb-2"
+                    color="primary"
+                    :items="genderOptions"
+                    label="性別"
+                    :readonly="initialLoading"
+                    variant="outlined"
+                  />
+                </v-col>
+
+                <v-col cols="12" sm="6">
+                  <v-date-input
+                    v-model="birthdayDate"
+                    class="mb-2"
+                    color="primary"
+                    label="生日"
+                    prepend-icon=""
+                    prepend-inner-icon="mdi-calendar"
+                    :readonly="initialLoading"
+                    variant="outlined"
+                  />
+                </v-col>
+
+                <v-col cols="6">
+                  <v-text-field
+                    v-model.number="form.height"
+                    class="mb-2"
+                    color="primary"
+                    label="身高（公分）"
+                    :readonly="initialLoading"
+                    type="number"
+                    variant="outlined"
+                  />
+                </v-col>
+
+                <v-col cols="6">
+                  <v-text-field
+                    v-model.number="form.weight"
+                    class="mb-2"
+                    color="primary"
+                    label="體重（公斤）"
+                    :readonly="initialLoading"
+                    type="number"
+                    variant="outlined"
+                  />
+                </v-col>
+              </v-row>
+
+              <v-text-field
+                v-model="form.email"
+                class="mb-2"
+                color="primary"
+                label="Email（選填）"
+                :readonly="initialLoading"
+                type="email"
+                variant="outlined"
+              />
+
+              <v-divider class="my-3" />
+
+              <div class="text-title-medium text-primary font-weight-bold mb-4">
+                緊急聯絡資訊
+              </div>
+
+              <v-row>
+                <v-col cols="12" sm="6">
+                  <v-text-field
+                    v-model="form.emergencyContact"
+                    class="mb-3"
+                    color="primary"
+                    label="緊急聯絡人（選填）"
+                    :readonly="initialLoading"
+                    variant="outlined"
+                  />
+                </v-col>
+
+                <v-col cols="12" sm="6">
+                  <v-text-field
+                    v-model="form.emergencyPhone"
+                    class="mb-3"
+                    color="primary"
+                    label="緊急聯絡電話（選填）"
+                    :readonly="initialLoading"
+                    type="tel"
+                    variant="outlined"
+                  />
+                </v-col>
+              </v-row>
+
+              <v-checkbox
+                v-model="form.consent"
+                class="mb-3"
+                color="primary"
+                :disabled="initialLoading"
+                label="我已閱讀並同意個資授權條款"
+              />
+
+              <div class="d-flex flex-column flex-sm-row ga-3">
+                <v-btn
+                  class="rounded-lg"
+                  color="primary"
+                  :disabled="initialLoading"
+                  to="/"
+                  variant="outlined"
+                >
+                  取消
+                </v-btn>
+                <v-btn
+                  class="rounded-lg flex-grow-1"
+                  color="secondary"
+                  :loading="saving"
+                  :disabled="initialLoading"
+                  type="submit"
+                >
+                  儲存個人資料
+                </v-btn>
+              </div>
+            </v-form>
+          </v-card-text>
+        </v-card>
+      </div>
+    </template>
+  </Layout>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, reactive, ref } from "vue";
+import Layout from "@/components/layout/DefaultLayout.vue";
+import type { UserProfile } from "@/stores/app";
+import { useAppStore } from "@/stores/app";
+import { getApiErrorMessage } from "@/utils/api-error";
+
+type DisplayGender = "男" | "女" | "";
+
+interface ProfileForm {
+  name: string;
+  birthday: string;
+  gender: DisplayGender;
+  height: number;
+  weight: number;
+  email: string;
+  emergencyContact: string;
+  emergencyPhone: string;
+  consent: boolean;
+}
+
+const store = useAppStore();
+const form = reactive<ProfileForm>(createEmptyForm());
+const initialLoading = ref(true);
+const saving = ref(false);
+const errorMessage = ref("");
+const successMessage = ref("");
+const genderOptions = [
+  { title: "男", value: "男" as const },
+  { title: "女", value: "女" as const },
+];
+
+const birthdayDate = computed<Date | null>({
+  get: () => parseDateString(form.birthday),
+  set: (value) => {
+    form.birthday = formatDateString(value);
+  },
+});
+
+function createEmptyForm(): ProfileForm {
+  return {
+    name: "",
+    birthday: "",
+    gender: "",
+    height: 0,
+    weight: 0,
+    email: "",
+    emergencyContact: "",
+    emergencyPhone: "",
+    consent: false,
+  };
+}
+
+function fillForm(profile: UserProfile) {
+  form.name = profile.name;
+  form.birthday = profile.birthday;
+  form.gender =
+    profile.gender === "男" || profile.gender === "女" ? profile.gender : "";
+  form.height = profile.height;
+  form.weight = profile.weight;
+  form.email = profile.email;
+  form.emergencyContact = profile.emergencyContact;
+  form.emergencyPhone = profile.emergencyPhone;
+  form.consent = profile.consent;
+}
+
+function parseDateString(value: string) {
+  const [year, month, day] = value.split("-").map(Number);
+  return year && month && day ? new Date(year, month - 1, day) : null;
+}
+
+function formatDateString(value: Date | null) {
+  if (!value) {
+    return "";
+  }
+
+  return `${value.getFullYear()}-${String(value.getMonth() + 1).padStart(2, "0")}-${String(value.getDate()).padStart(2, "0")}`;
+}
+
+function normalizePhone(value: string) {
+  return value.replace(/\D/g, "");
+}
+
+function validateForm() {
+  if (!form.name.trim() || !form.birthday || !form.gender) {
+    return "請完整填寫姓名、生日與性別。";
+  }
+
+  if (
+    !Number.isFinite(form.height) ||
+    form.height < 50 ||
+    form.height > 250 ||
+    !Number.isFinite(form.weight) ||
+    form.weight < 20 ||
+    form.weight > 300
+  ) {
+    return "身高須介於 50 至 250 公分，體重須介於 20 至 300 公斤。";
+  }
+
+  if (form.email && !/^\S+@\S+\.\S+$/.test(form.email.trim())) {
+    return "請輸入正確的 Email 格式。";
+  }
+
+  return "";
+}
+
+async function handleSubmit() {
+  errorMessage.value = "";
+  successMessage.value = "";
+
+  const validationError = validateForm();
+  if (validationError) {
+    errorMessage.value = validationError;
+    return;
+  }
+
+  saving.value = true;
+  try {
+    await store.updateProfile({
+      name: form.name.trim(),
+      birthday: form.birthday,
+      gender: form.gender,
+      height: form.height,
+      weight: form.weight,
+      email: form.email.trim(),
+      emergencyContact: form.emergencyContact.trim(),
+      emergencyPhone: normalizePhone(form.emergencyPhone),
+      consent: form.consent,
+    });
+    fillForm(store.userProfile);
+    successMessage.value = "個人資料已更新。";
+  } catch (error) {
+    errorMessage.value = getApiErrorMessage(
+      error,
+      "個人資料更新失敗，請稍後再試。",
+    );
+  } finally {
+    saving.value = false;
+  }
+}
+
+onMounted(async () => {
+  try {
+    await store.loadProfile();
+  } catch (error) {
+    errorMessage.value = getApiErrorMessage(
+      error,
+      "個人資料載入失敗，請稍後再試。",
+    );
+  } finally {
+    fillForm(store.userProfile);
+    initialLoading.value = false;
+  }
+});
+</script>
+
+<style scoped>
+.profile-page {
+  max-width: 720px;
+  margin: 0 auto;
+}
+</style>
diff --git a/app/citizen-frontend/src/router/index.ts b/app/citizen-frontend/src/router/index.ts
index b837345..d041a34 100644
--- a/app/citizen-frontend/src/router/index.ts
+++ b/app/citizen-frontend/src/router/index.ts
@@ -6,6 +6,7 @@ import Course from "@/pages/course.vue";
 import Index from "@/pages/index.vue";
 import Introduction from "@/pages/introduction.vue";
 import Login from "@/pages/login.vue";
+import Profile from "@/pages/profile.vue";
 import Register from "@/pages/register.vue";
 import SelfAssessment from "@/pages/self-assessment.vue";
 import { useAppStore } from "@/stores/app";
@@ -43,6 +44,12 @@ const router = createRouter({
       name: "self-assessment",
       component: SelfAssessment,
     },
+    {
+      path: "/profile",
+      name: "profile",
+      component: Profile,
+      meta: { requiresAuth: true, title: "個人資料修改｜運動玩轉健康力" },
+    },
     {
       path: "/appointment",
       name: "appointment",
diff --git a/app/citizen-frontend/src/stores/app.ts b/app/citizen-frontend/src/stores/app.ts
index 3ea0987..9eeded0 100644
--- a/app/citizen-frontend/src/stores/app.ts
+++ b/app/citizen-frontend/src/stores/app.ts
@@ -54,6 +54,8 @@ export interface UserProfile {
   consentVersion: ConsentVersion;
 }
 
+type EditableProfile = Omit<UserProfile, "phone" | "consentVersion">;
+
 export interface SelfAssessment {
   exerciseFrequency: ExerciseFrequency | "";
   painLevel: PainLevel | "";
@@ -168,6 +170,25 @@ function toProfileRequest(
   };
 }
 
+function toProfileRequestFromStore(profile: UserProfile): ProfileRequest {
+  if (profile.gender !== "男" && profile.gender !== "女") {
+    throw new Error("請先完成性別資料");
+  }
+
+  return {
+    name: profile.name,
+    birthday: profile.birthday,
+    gender: profile.gender === "男" ? "male" : "female",
+    heightCm: profile.height,
+    weightKg: profile.weight,
+    email: profile.email || null,
+    emergencyContact: profile.emergencyContact || null,
+    emergencyPhone: profile.emergencyPhone || null,
+    consent: profile.consent,
+    consentVersion: profile.consentVersion,
+  };
+}
+
 function createDefaultAppointments(): Appointment[] {
   const measurementItems = [
     "血壓",
@@ -417,8 +438,21 @@ export const useAppStore = defineStore("app", () => {
     }
   }
 
-  function updateProfile(profile: Partial<UserProfile>) {
-    userProfile.value = { ...userProfile.value, ...profile };
+  async function updateProfile(
+    profile: Partial<EditableProfile>,
+  ): Promise<UserProfile> {
+    const updatedProfile = { ...userProfile.value, ...profile };
+
+    if (USE_MOCK) {
+      userProfile.value = updatedProfile;
+      return userProfile.value;
+    }
+
+    const response = await apiUpdateProfile(
+      toProfileRequestFromStore(updatedProfile),
+    );
+    userProfile.value = applyProfileToStore(response);
+    return userProfile.value;
   }
 
   function setSelfAssessment(response: SelfAssessmentResponse) {