The spleen and stomach are in the middle of the soil, which is the center of the zang-fu organs and is closely related to other zang-fu organs. Diseases of the spleen and stomach can easily affect other zang-fu organs. According to the relationship between the five elements, it is easy to spread diseases. Therefore, TCM health preservation attaches great importance to spleen and stomach, and it should be carefully nursed back to health at ordinary times. When there is a disease, emphasize the protection of stomach qi. Through diet regulation, drug regulation, mental regulation, acupuncture and massage, and daily routine, the purpose of strengthening the spleen and regulating the stomach, nourishing the day after tomorrow and prolonging life can be achieved. Therefore, Zhang Jiebin pointed out in The Complete Book of Jingyue: "Stomach qi is the king of health preservation ... which is necessary for health preservation people.