Chinese and Western diet culture has great differences.This paper analysed the differences of Chinese and Western dining etiquette,dietary concept,dietary content and the reasons and the impact for the differences.It aims to help fully understand the different culture between China and the west,the hinder between cross-cultural communication and effectively foster people’s adaptability while doing cross-cultural communication and prevent social conflict caused by cultural differences the two sides Chinese and Western diet culture has great differences. This paper was created the differences of Chinese and Western dining etiquette, dietary concept, dietary content and the reasons and the impact for the differences .It aims to help fully understand the different culture between China and the west , the hinder between cross-cultural communication and effectively foster people’s adaptability while doing cross-cultural communication and prevent social conflict caused by cultural differences the two sides