(1) Diagnosis: diarrhea for more than 3 months is chronic diarrhea, and many diseases can occur, so first of all, we should check the stool routine, blood sugar, thyroid function, colonoscopy, etc., to clarify which kind of disease, and then perform targeted treatment. (2) Life and living: live a disciplined life. Pay attention to the combination of work and rest, appropriate exercise to enhance physical fitness. Pay attention to the abdomen to keep it warm. Massage the foot San Li point and acupressure on the soles of the feet, which can enhance the spleen and stomach transport effect. (3) Emotional and spiritual: regulate the emotions, maintain emotional stability and cheerfulness, eliminate worries, sadness, impatience and other adverse emotional stimuli. (4) Diet: Eat in moderation, do not overeat, do not eat cold, greasy, spicy, fried food, eat less coarse cellulose food and milk and dairy products. (5) Colonoscopy: Colonoscopy should be done once every 3-5 years, and polyps found should be treated in time to prevent cancer.