diff --git a/src/admin/api.ts b/src/admin/api.ts
index 403102c..9812223 100644
--- a/src/admin/api.ts
+++ b/src/admin/api.ts
@@ -32,6 +32,7 @@ export async function getProblemList(
   keyword: string,
   author?: string,
   contestID?: string,
+  tagId?: number,
 ) {
   const endpoint = !!contestID ? "admin/contest/problem" : "admin/problem"
   const res = await http.get<{ results: AdminProblem[]; total: number }>(
@@ -44,6 +45,7 @@ export async function getProblemList(
         keyword,
         author,
         contest_id: contestID,
+        tag_id: tagId,
       },
     },
   )
diff --git a/src/admin/problem/components/TagProblemsModal.vue b/src/admin/problem/components/TagProblemsModal.vue
new file mode 100644
index 0000000..d5558ea
--- /dev/null
+++ b/src/admin/problem/components/TagProblemsModal.vue
@@ -0,0 +1,147 @@
+<script setup lang="ts">
+import { NButton, NTag } from "naive-ui"
+import Pagination from "shared/components/Pagination.vue"
+import type { AdminProblemFiltered } from "utils/types"
+import { batchTagProblems, getProblemList } from "admin/api"
+
+interface Props {
+  show: boolean
+  tagId: number
+  tagName: string
+}
+
+const props = defineProps<Props>()
+const emit = defineEmits<{
+  "update:show": [value: boolean]
+  changed: []
+}>()
+
+const router = useRouter()
+const message = useMessage()
+
+const problems = ref<AdminProblemFiltered[]>([])
+const total = ref(0)
+const page = ref(1)
+const limit = ref(10)
+const keyword = ref("")
+
+const columns: DataTableColumn<AdminProblemFiltered>[] = [
+  { title: "显示编号", key: "_id", width: 100 },
+  {
+    title: "标题",
+    key: "title",
+    minWidth: 200,
+    render: (row) =>
+      h(
+        NButton,
+        { text: true, type: "primary", onClick: () => goEdit(row) },
+        () => row.title,
+      ),
+  },
+  {
+    title: "可见",
+    key: "visible",
+    width: 80,
+    render: (row) =>
+      h(
+        NTag,
+        { size: "small", type: row.visible ? "success" : "default" },
+        () => (row.visible ? "公开" : "隐藏"),
+      ),
+  },
+  {
+    title: "选项",
+    key: "actions",
+    width: 110,
+    render: (row) =>
+      h(
+        NButton,
+        { size: "small", type: "error", onClick: () => removeTag(row) },
+        () => "移除标签",
+      ),
+  },
+]
+
+async function listProblems() {
+  if (page.value < 1) page.value = 1
+  const offset = (page.value - 1) * limit.value
+  const res = await getProblemList(
+    offset,
+    limit.value,
+    keyword.value,
+    "",
+    undefined,
+    props.tagId,
+  )
+  problems.value = res.results
+  total.value = res.total
+}
+
+function close() {
+  emit("update:show", false)
+}
+
+function goEdit(row: AdminProblemFiltered) {
+  close()
+  router.push({ name: "admin problem edit", params: { problemID: row.id } })
+}
+
+async function removeTag(row: AdminProblemFiltered) {
+  await batchTagProblems([row.id], [props.tagName], "remove")
+  message.success(`已移除「${row.title}」的标签`)
+  emit("changed")
+  // 移掉本页最后一条时退回上一页，交给下面的 watcher 重新拉取
+  if (problems.value.length === 1 && page.value > 1) {
+    page.value -= 1
+  } else {
+    listProblems()
+  }
+}
+
+// 改搜索词就回到第一页
+watch(keyword, () => (page.value = 1))
+
+// 每次打开弹窗重置状态，拉取交给下面的 watcher
+watch(
+  () => props.show,
+  (show) => {
+    if (!show) return
+    page.value = 1
+    keyword.value = ""
+  },
+)
+
+// 打开 / 翻页 / 改每页条数 / 改搜索词都走这里，防抖把同一批变更合并成一次请求
+watchDebounced(
+  () => [props.show, props.tagId, page.value, limit.value, keyword.value],
+  () => {
+    if (!props.show) return
+    listProblems()
+  },
+  { debounce: 300, maxWait: 800 },
+)
+</script>
+
+<template>
+  <n-modal
+    :show="show"
+    preset="card"
+    :title="`标签「${tagName}」下的题目`"
+    style="width: 720px"
+    @close="close"
+  >
+    <n-flex vertical size="large">
+      <n-flex justify="space-between" align="center">
+        <span>共 {{ total }} 道题</span>
+        <n-input
+          v-model:value="keyword"
+          style="width: 220px"
+          placeholder="输入标题关键字"
+          clearable
+        />
+      </n-flex>
+      <n-data-table striped :columns="columns" :data="problems" />
+      <Pagination :total="total" v-model:limit="limit" v-model:page="page" />
+    </n-flex>
+  </n-modal>
+</template>