Food nutrition refers to choosing an appropriate diet based on people’s different physiques, ages, genders, climate, geography and other environmental factors to regulate the functions of human organs, nourish qi, blood and body fluids, strengthen the body, and prevent Health care methods for diseases.

Food therapy, also known as food therapy, is a method that uses food to affect all aspects of the body's functions to achieve health or cure and prevent diseases. It is generally believed that food is an edible substance that provides the human body with various nutrients required for growth, development and healthy survival. In other words, the most important function of food is nutrition. In fact, this is not the case. Traditional Chinese medicine has long recognized that food can not only provide nutrition, but also cure diseases.

Food: meal; meal dishes. "Hanshu Jiashan Biography": "Your Majesty ascended the throne and personally encouraged the world to benefit the country, sacrificing food and drink, refusing to listen to music, and reducing foreign corvee guards."