diff --git a/src/App.vue b/src/App.vue
index 1ac7bae..e0849e2 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -16,6 +16,7 @@
         <aside class="side">
           <OrderBook v-if="quote" :quote="quote" />
           <TradeTape v-if="quote" :quote="quote" />
+          <LargeOrderAnalysis v-if="quote" :quote="quote" />
         </aside>
       </div>
     </section>
@@ -47,6 +48,7 @@ import QuoteStats from './components/quote/QuoteStats.vue'
 import ChartPanel from './components/quote/ChartPanel.vue'
 import OrderBook from './components/quote/OrderBook.vue'
 import TradeTape from './components/quote/TradeTape.vue'
+import LargeOrderAnalysis from './components/quote/LargeOrderAnalysis.vue'
 import NewsList from './components/news/NewsList.vue'
 import PositionPanel from './components/position/PositionPanel.vue'
 import AiAdviceDrawer from './components/ai/AiAdviceDrawer.vue'
diff --git a/src/components/quote/LargeOrderAnalysis.vue b/src/components/quote/LargeOrderAnalysis.vue
new file mode 100644
index 0000000..f2a8e2b
--- /dev/null
+++ b/src/components/quote/LargeOrderAnalysis.vue
@@ -0,0 +1,226 @@
+<template>
+  <div class="large-order card">
+    <div class="title">大单分析</div>
+    <div class="body">
+      <div class="legend left">
+        <div v-for="item in buyItems" :key="item.key" class="legend-item">
+          <span class="swatch" :style="{ background: item.color }" />
+          <div class="meta">
+            <div class="name">{{ item.name }}</div>
+            <div class="pct">{{ item.pct }}%</div>
+          </div>
+        </div>
+      </div>
+      <v-chart class="chart" :option="option" autoresize />
+      <div class="legend right">
+        <div v-for="item in sellItems" :key="item.key" class="legend-item">
+          <span class="swatch" :style="{ background: item.color }" />
+          <div class="meta">
+            <div class="name">{{ item.name }}</div>
+            <div class="pct">{{ item.pct }}%</div>
+          </div>
+        </div>
+      </div>
+    </div>
+    <div class="hint">大单阈值 &gt; {{ threshold }} 手</div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+import { use } from 'echarts/core'
+import { CanvasRenderer } from 'echarts/renderers'
+import { PieChart } from 'echarts/charts'
+import { TooltipComponent } from 'echarts/components'
+import type { EChartsOption } from 'echarts'
+import VChart from 'vue-echarts'
+import { contractConfig } from '../../config/contract'
+import type { QuoteData, TradeTick } from '../../types'
+
+use([CanvasRenderer, PieChart, TooltipComponent])
+
+const props = defineProps<{
+  quote: QuoteData
+}>()
+
+const threshold = contractConfig.largeOrderLots
+
+const COLORS = {
+  largeBuy: '#f0435c',
+  retailBuy: '#8b4a3a',
+  largeSell: '#2ecc71',
+  retailSell: '#1a7a4c',
+} as const
+
+interface Bucket {
+  key: keyof typeof COLORS
+  name: string
+  color: string
+  value: number
+  pct: string
+}
+
+function aggregate(trades: TradeTick[]) {
+  let largeBuy = 0
+  let largeSell = 0
+  let retailBuy = 0
+  let retailSell = 0
+
+  for (const t of trades) {
+    const isLarge = t.volume > threshold
+    if (t.side === 'B') {
+      if (isLarge) largeBuy += t.volume
+      else retailBuy += t.volume
+    } else if (isLarge) largeSell += t.volume
+    else retailSell += t.volume
+  }
+
+  return { largeBuy, largeSell, retailBuy, retailSell }
+}
+
+function toItems(
+  buckets: ReturnType<typeof aggregate>,
+): { buyItems: Bucket[]; sellItems: Bucket[]; data: Bucket[] } {
+  const total =
+    buckets.largeBuy + buckets.largeSell + buckets.retailBuy + buckets.retailSell
+
+  const pct = (v: number) => (total > 0 ? ((v / total) * 100).toFixed(0) : '0')
+
+  const buyItems: Bucket[] = [
+    {
+      key: 'largeBuy',
+      name: '大单主买',
+      color: COLORS.largeBuy,
+      value: buckets.largeBuy,
+      pct: pct(buckets.largeBuy),
+    },
+    {
+      key: 'retailBuy',
+      name: '散单主买',
+      color: COLORS.retailBuy,
+      value: buckets.retailBuy,
+      pct: pct(buckets.retailBuy),
+    },
+  ]
+  const sellItems: Bucket[] = [
+    {
+      key: 'largeSell',
+      name: '大单主卖',
+      color: COLORS.largeSell,
+      value: buckets.largeSell,
+      pct: pct(buckets.largeSell),
+    },
+    {
+      key: 'retailSell',
+      name: '散单主卖',
+      color: COLORS.retailSell,
+      value: buckets.retailSell,
+      pct: pct(buckets.retailSell),
+    },
+  ]
+
+  return { buyItems, sellItems, data: [...buyItems, ...sellItems] }
+}
+
+const stats = computed(() => toItems(aggregate(props.quote.trades)))
+const buyItems = computed(() => stats.value.buyItems)
+const sellItems = computed(() => stats.value.sellItems)
+
+const option = computed((): EChartsOption => {
+  const data = stats.value.data.map((d) => ({
+    name: d.name,
+    value: d.value,
+    itemStyle: { color: d.color },
+  }))
+
+  return {
+    tooltip: {
+      trigger: 'item',
+      formatter: '{b}<br/>手数: {c}<br/>占比: {d}%',
+    },
+    series: [
+      {
+        type: 'pie',
+        radius: ['0%', '78%'],
+        center: ['50%', '50%'],
+        avoidLabelOverlap: true,
+        label: { show: false },
+        labelLine: { show: false },
+        data,
+      },
+    ],
+  }
+})
+</script>
+
+<style scoped>
+.large-order {
+  padding: 12px;
+  margin-top: 12px;
+}
+
+.title {
+  font-size: 13px;
+  font-weight: 600;
+  margin-bottom: 8px;
+}
+
+.body {
+  display: grid;
+  grid-template-columns: 72px 1fr 72px;
+  align-items: center;
+  gap: 4px;
+  min-height: 150px;
+}
+
+.chart {
+  height: 140px;
+  width: 100%;
+}
+
+.legend {
+  display: flex;
+  flex-direction: column;
+  gap: 14px;
+}
+
+.legend-item {
+  display: flex;
+  align-items: flex-start;
+  gap: 6px;
+}
+
+.swatch {
+  width: 10px;
+  height: 10px;
+  border-radius: 2px;
+  flex-shrink: 0;
+  margin-top: 3px;
+}
+
+.meta {
+  min-width: 0;
+}
+
+.name {
+  font-size: 11px;
+  color: var(--text-primary);
+  line-height: 1.3;
+  white-space: nowrap;
+}
+
+.pct {
+  font-size: 12px;
+  font-weight: 600;
+  color: #0d9488;
+  font-variant-numeric: tabular-nums;
+  line-height: 1.3;
+}
+
+.hint {
+  margin-top: 4px;
+  font-size: 11px;
+  color: var(--text-secondary);
+  text-align: center;
+}
+</style>
diff --git a/src/config/contract.ts b/src/config/contract.ts
index 7d1fa71..753d60f 100644
--- a/src/config/contract.ts
+++ b/src/config/contract.ts
@@ -8,4 +8,9 @@ export const contractConfig = {
   name: '玻璃2609',
   /** 交易所展示名 */
   exchange: '郑商所',
+  /**
+   * 大单手数阈值：现手大于该值计为大单，否则计为散单。
+   * 用于分时成交「大单分析」饼图。
+   */
+  largeOrderLots: 100,
 } as const
diff --git a/src/mocks/quote.ts b/src/mocks/quote.ts
index b368f96..946748d 100644
--- a/src/mocks/quote.ts
+++ b/src/mocks/quote.ts
@@ -109,5 +109,9 @@ export const quoteMock: QuoteData = {
     { time: '11:26', price: 934.0, volume: 3, side: 'B' },
     { time: '11:25', price: 935.0, volume: 27, side: 'S' },
     { time: '11:25', price: 936.0, volume: 9, side: 'B' },
+    { time: '11:24', price: 936.0, volume: 5, side: 'B' },
+    { time: '11:24', price: 935.0, volume: 7, side: 'S' },
+    { time: '11:23', price: 935.0, volume: 45, side: 'S' },
+    { time: '11:23', price: 934.0, volume: 38, side: 'B' },
   ],
 }