Based on the theories, the paper analyzes how English advertisement strategically observes or violates CP and PP, breaks down conventional and stereotyped language, and expresses the intentions of advertisers in different ways.

• 从这一角度分析英语广告策略性地遵守或违反合作原则或礼貌原则，遵守或打破语言常规，以不同的语言方式传递信息，以迎合消费者的心理，能达到说服消费者购买广告产品的最佳效果。