If diarrhea is frequent, it suggests chronic intestinal inflammation. There are several possibilities for this condition: First, frequent consumption of fried, greasy, spicy and stimulating food leads to intestinal dysfunction. Second, frequent insomnia, worry, anxiety, depression, irritability or frequent exertion, staying up late, etc., resulting in intestinal dysfunction caused by dysfunction of the plant nervous system, which is the most common type of clinical. Treatment: pay attention to diet, exercise more, improve physical fitness, and pay attention to the combination of work and rest. Secondly, appropriate medication can be given for symptomatic treatment. Commonly used clinically are montelukast, bifidobacterium capsules, and pivetonium bromide tablets. If diarrhea occurs repeatedly, it is best to improve the routine stool examination as well as colonoscopy to further exclude other diseases.