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---
title: "ACOS"
type: concept
tags:
- amazon
- advertising
- ppc
- metrics
- ecommerce
sources:
- marketing-cross-border-ecommerce
last_updated: 2026-04-26
---
## Aliases
- ACOS
- Advertising Cost of Sales
- 广告成本占销售额比例
## Definition
ACOSAdvertising Cost of Sales广告成本占销售额比例是衡量亚马逊 PPC 广告效率的核心指标,计算公式为:`ACOS = 广告花费 / 广告带来的销售额 × 100%`。ACOS 越低,表示广告效率越高。
## Formula
```
ACOS = (广告花费 / 广告带来的销售额) × 100%
TACOS = 总广告花费(含站内外)/ 总销售额 × 100%
```
## Interpretation
| ACOS 区间 | 含义 | 适用阶段 |
|-----------|------|----------|
| < 15% | 高效广告 | 成熟期产品,利润率充足的品类 |
| 15-25% | 健康范围 | 成长期产品,平衡增长与利润 |
| 25-35% | 可接受 | 新品推广期,侧重增长 |
| > 35% | 需优化 | 超毛利率则必须关停或大幅调整 |
## Key Principles
- **ACOS 硬性底线**:任何超过毛利率的广告活动必须优化或关停
- **TACOS < 10%**:成熟期产品目标,反映广告依赖度降低
- **分阶段调控**:新品期允许高 ACOS 换增长,成熟期压低 ACOS 保利润
- **负关键词策略**:持续否定非转化词,降低无效花费
## Connections
- [[TACOS]] ← related_metric ← [[ACOS]]
- [[Amazon Ads]] ← platform ← [[ACOS]] (measurement occurs within Amazon PPC)
- [[Marketing Cross-Border E-Commerce Specialist]] ← uses ← [[ACOS]]