China has a long history of food. For five thousand years in the history of civilization, food culture holds a significant position. In China, there has always been a saying that “food is the first necessity of the people”. Therefore, diet plays an important role in the historical development of China. We will deeply explore Chinese food culture from the perspective of traditional festivals in China to analyzes the role of diet in enriching national cultural psychology and from the perspective of collective unconsciousness to analyzes the reasons for Chinese society’s long preference for meat. It is necessary to learn about Chinese food culture and understand Chinese in terms of people’s livelihood, customs and food.