1. Flat tonic method: refers to the method of applying mild food for tonic, which is more suitable for people with weak health in the general population. This method mostly uses most cereals, beans, most vegetables and fruits, eggs, meat and milk. These foods are neither cold nor hot, mild in nature, nourishing qi and blood, and have the function of tonifying yin and yang, and can be eaten all year round.

Clearing and tonifying method: refers to the method of applying foods with cool nature or purgative effect to tonify, which is more suitable for people with excess heat constitution, or adopted in summer and autumn. Most of the foods used in this method are cold, such as millet, radish, wax gourd, watermelon, pear, etc. These foods have the functions of clearing heat and relaxing bowels, promoting gastrointestinal peristalsis, enhancing absorption function, tonifying diarrhea, eliminating excess and tonifying deficiency.

2. Warming method: refers to the method of applying warm food to tonify, which is more suitable for people with symptoms such as weakness of yang, chills, cold limbs and mental fatigue, and should be adopted in winter and spring. Mutton, dog meat, river shrimp, sea shrimp, jujube, longan meat and other warm foods have the functions of warming kidney and yang, keeping out cold and warming up, enhancing sexual function, etc., and are all foods that can be selected by the warming method.

3. Strict tonic method: refers to the method of applying foods with strong tonic effect and quick effect, which is more suitable for people who are weak and need tonic as soon as possible, but attention should be paid to the proper tonic according to physical condition, season and illness. The foods that are often used in the strict tonic method are mutton, dog meat, venison, animal kidney, soft-shelled turtle, turtle meat, trout, yellow croaker, octopus and so on.

O vegetation is affectionate o I suggest you pay attention to the three taboos of diet and health preservation. Dietary taboos, commonly known as "taboos", refer to prohibiting or avoiding those diets that are not suitable for the body or unreasonable dietary combinations. It is generally believed that there are three taboos in diet and health preservation: 1. Avoid being cold: eating vegetables and fruits raw in large quantities can easily hurt the spleen and stomach, especially those with spleen and stomach deficiency and cold. 2. Avoid greasy food: Excessive consumption of meat oil, fat meat and fried food can easily cause dyslipidemia and atherosclerosis. 3. Avoid sticking: Excessive consumption of glutinous rice, barley and other foods can easily cause indigestion.