Slow digestion may be due to slow gastrointestinal peristalsis, weakened digestive function, and may also be considered to be related to organic diseases of the digestive system. Light and easy-to-digest food, drugs to promote gastrointestinal power, and treatment for primary diseases can be given. 1. Slow gastrointestinal peristalsis: Frequent consumption of refined food, prolonged sedentary life and little exercise will affect gastrointestinal function and lead to slow gastrointestinal peristalsis. It is recommended to increase the amount of exercise, give fresh vegetables and fruits, a variety of porridge, can supplement the body’s required nutrients, but also to promote gastrointestinal peristalsis. 2. Weak digestion: Weak digestion may be caused by functional dyspepsia, in which food accumulates in the stomach for a long time, resulting in slow digestion of celiac disease. It is recommended to change the bad eating habits, do not overeat, give domperidone, mosapride, can promote gastrointestinal tract power. 3. Organic diseases of the digestive system: Organic diseases of the digestive system, such as gastritis, gastric ulcer, benign and malignant tumors of the gastrointestinal tract, may affect the function of the gastrointestinal tract. It is recommended to improve gastroenteroscopy under the guidance of the doctor, and give appropriate medication for the cause of the disease.