The intangible item of diet is not only the skill of food production, but also a set of knowledge and practice related to food selection, food processing, cooking and food consumption. They are an important part of social activities such as interpersonal communication, ceremonies, festivals, etc., and convey China people's ideas and health concepts such as respecting nature, adapting to the seasons, and keeping healthy by eating.

It can be said that intangible food fully embodies the great creativity and cultural diversity of the Chinese nation and plays an important role in maintaining cultural identity and promoting social harmony and sustainable development.

It is suggested that all walks of life should pay more attention to the cultural significance, social function and contemporary value of non-material items related to food on the basis of paying attention to the cooking skills of a certain food and a certain dish.