With the method of two evidence （archaeological objects + documentary records） put forward by Wang Guowei，the academic context of Chinese food culture is jointly promoted by comparing with each other. The philosophical expression of Chinese food culture can be summarized as follows：“Medicine and food share the same origin”，“Medicine and diet have the same function”；“Harmony” is expressed in a cup of tea. The Chinese food culture system is deconstructed from three ways of expression：The Chinese ancestors had profound cultural cognition of staple food （Rice in the south and noodles in the north），animal food，flower food materials and spices；Chinese ancestors have accumulated a lot of local wisdom in food culture，which are mainly reflected in the following aspects：Develop food material resources according to local conditions to the greatest extent，eating seasonal food according to the weather；Picking wild vegetables to effectively supplement food sources and paying attention to food ethics and etiquette；Chinese ancestors also accumulated many customs and taboos in terms of food culture：Small，weak and pregnant animals are avoided to be used as materials；A variety of Chinese herbal medicine are used to make medicated liquor and incense，and attention is paid to the matching of suitable ingredients and taboo food；Eating rare wild animals is against the ethics of natural law. Finally，discussion is made in terms of three issues：The composition level and connotation of the symbolic sign system of food culture；Discussion is made in terms of people’s cognitive bias towards eating wild animals，and it is thought that action is the key to “comprehensive ban on wildlife consumption”；Several trends of Chinese food culture in the future are preliminarily summarized and presented.