diff --git a/src/views/account/AccountWalletView.vue b/src/views/account/AccountWalletView.vue
index 3028055..6a29137 100644
--- a/src/views/account/AccountWalletView.vue
+++ b/src/views/account/AccountWalletView.vue
@@ -37,10 +37,47 @@ const form = reactive({
 const submitting = ref(false)
 const formError = ref(null)
 
-// 드롭다운(계좌별 내역)
+// 드롭다운(계좌별 내역) — 월별로 표시
 const expandedId = ref(null)
 const entriesByWallet = reactive({})
 const loadingEntries = ref(false)
+const entryMonth = reactive({}) // 계좌별 선택 월(YYYY-MM)
+
+function currentYm() {
+  const d = new Date()
+  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}`
+}
+function ymLabel(ym) {
+  return ym ? ym.replace('-', '.') : ''
+}
+// 데이터가 있는 월 목록(오름차순)
+function monthList(w) {
+  const set = new Set((entriesByWallet[w.id] || []).map((e) => (e.entryDate || '').slice(0, 7)).filter(Boolean))
+  return [...set].sort()
+}
+function monthEntries(w) {
+  const ym = entryMonth[w.id]
+  return (entriesByWallet[w.id] || []).filter((e) => (e.entryDate || '').slice(0, 7) === ym)
+}
+function monthSum(w) {
+  return monthEntries(w).reduce((s, e) => s + effectAmount(e, w.id), 0)
+}
+function canPrev(w) {
+  return monthList(w).indexOf(entryMonth[w.id]) > 0
+}
+function canNext(w) {
+  const ms = monthList(w)
+  const i = ms.indexOf(entryMonth[w.id])
+  return i >= 0 && i < ms.length - 1
+}
+// 데이터가 있는 월 사이로만 이동(빈 달 건너뜀)
+function shiftMonth(w, delta) {
+  const ms = monthList(w)
+  if (!ms.length) return
+  const i = ms.indexOf(entryMonth[w.id])
+  const j = Math.min(ms.length - 1, Math.max(0, (i === -1 ? ms.length - 1 : i) + delta))
+  entryMonth[w.id] = ms[j]
+}
 
 const isLiability = (t) => t === 'CARD' || t === 'LOAN'
 
@@ -109,6 +146,9 @@ async function toggleExpand(w) {
   loadingEntries.value = true
   try {
     entriesByWallet[w.id] = await accountApi.walletEntries(w.id)
+    // 기본 선택 월 = 내역이 있는 가장 최근 월(없으면 이번 달)
+    const ms = monthList(w)
+    entryMonth[w.id] = ms.length ? ms[ms.length - 1] : currentYm()
   } catch {
     entriesByWallet[w.id] = []
   } finally {
@@ -366,15 +406,27 @@ onBeforeUnmount(() => sortable?.destroy())
           <InvestPortfolio v-else-if="w.type === 'INVEST'" :wallet-id="w.id" @changed="load" />
           <template v-else>
           <p v-if="loadingEntries" class="drop-msg">불러오는 중...</p>
-          <ul v-else-if="(entriesByWallet[w.id] || []).length" class="drop-list">
-            <li v-for="e in entriesByWallet[w.id]" :key="e.id" class="drop-row">
-              <span class="d-date">{{ entryDate(e.entryDate) }}</span>
-              <span class="d-desc">{{ entryDesc(e, w) }}</span>
-              <span class="d-amount" :class="effectAmount(e, w.id) < 0 ? 'neg' : 'pos'">
-                {{ effectAmount(e, w.id) >= 0 ? '+' : '' }}{{ won(effectAmount(e, w.id)) }}
+          <template v-else-if="(entriesByWallet[w.id] || []).length">
+            <!-- 월 네비게이션 + 그 달 합계 -->
+            <div class="month-nav">
+              <button type="button" class="mn-btn" :disabled="!canPrev(w)" aria-label="이전 달" @click="shiftMonth(w, -1)">◀</button>
+              <span class="mn-label">{{ ymLabel(entryMonth[w.id]) }}</span>
+              <button type="button" class="mn-btn" :disabled="!canNext(w)" aria-label="다음 달" @click="shiftMonth(w, 1)">▶</button>
+              <span class="mn-sum" :class="monthSum(w) < 0 ? 'neg' : 'pos'">
+                합계 {{ monthSum(w) >= 0 ? '+' : '' }}{{ won(monthSum(w)) }}
               </span>
-            </li>
-          </ul>
+            </div>
+            <ul v-if="monthEntries(w).length" class="drop-list">
+              <li v-for="e in monthEntries(w)" :key="e.id" class="drop-row">
+                <span class="d-date">{{ entryDate(e.entryDate) }}</span>
+                <span class="d-desc">{{ entryDesc(e, w) }}</span>
+                <span class="d-amount" :class="effectAmount(e, w.id) < 0 ? 'neg' : 'pos'">
+                  {{ effectAmount(e, w.id) >= 0 ? '+' : '' }}{{ won(effectAmount(e, w.id)) }}
+                </span>
+              </li>
+            </ul>
+            <p v-else class="drop-msg">이 달 내역이 없습니다.</p>
+          </template>
           <p v-else class="drop-msg">연관 내역이 없습니다.</p>
           </template>
         </div>
@@ -576,6 +628,45 @@ button.primary {
   font-size: 0.78rem;
   margin: 0;
 }
+.month-nav {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  padding: 0.3rem 0 0.4rem;
+  border-bottom: 1px solid var(--color-border);
+  margin-bottom: 0.3rem;
+}
+.mn-btn {
+  width: 1.8rem;
+  height: 1.8rem;
+  border: 1px solid var(--color-border);
+  border-radius: 4px;
+  background: var(--color-background-soft);
+  color: var(--color-text);
+  cursor: pointer;
+  line-height: 1;
+}
+.mn-btn:disabled {
+  opacity: 0.35;
+  cursor: not-allowed;
+}
+.mn-label {
+  font-weight: 700;
+  font-size: 0.9rem;
+  min-width: 4.2rem;
+  text-align: center;
+}
+.mn-sum {
+  margin-left: auto;
+  font-size: 0.82rem;
+  font-weight: 600;
+}
+.mn-sum.pos {
+  color: #2e7d32;
+}
+.mn-sum.neg {
+  color: #c0392b;
+}
 .drop-list {
   list-style: none;
 }