Big Food: In a word, all the substances that can satisfy the needs of people's normal life activities and contribute to the prolongation of their life span for human consumption belong to the category of food, and all of them should be included in the rice bowl of the Chinese people, and we should grasp them well.

The so-called "big food concept" simply means that compared with the previous single "food concept", the concept of "big food" is now more emphasized. Not only rice, wheat and other staple foods, but also vegetables, fruits and other by-products, as well as meat, eggs, milk, fish and other animal foods, as well as microorganisms, synthetic substances and other edible items.

China has built a moderately prosperous society in all aspects, the per capita income level and consumption level is increasing, the demand for food is also becoming more and more diversified, animal food, vegetables, fruits and other non-food consumption is gradually increasing, the people pay more attention to dietary nutrition, which requires the establishment of a higher-quality food supply system, not only to protect the basics, but also to protect the diversity.

Importance of food

The importance of food for human beings can be seen in the saying that "food is the key to a good life". The people's daily life necessary seven things, commonly known as the door seven things, respectively: wood, rice, oil, salt, sauce, vinegar, tea, all related to food. From the flint man's "drill wood for fire", the Chinese people ended the era of drinking blood, which gradually produced a steaming, boiling, frying, simmering, rolling, boiling, shabu-shabu, boiling, hot, hot, frying, burning, frying, deep-frying, searing, baking, simmering, blanching, stewing, roasting and other cooking methods.

Eating, which accounts for a large part of the composition of life, not only enriches the appearance of our lives, but also supports the reproduction of human life forms and maintains our health. As humans continue to evolve and become the largest population on the planet and the top organisms in the food chain, through the process of metabolism of living organisms, it encompasses the entire ecological world outside of what we perceive ourselves to be, including plants, animals, microorganisms, trace elements, and some minerals.