Always diarrhea is considered to be irritable bowel syndrome or intestinal inflammatory stimulation, and should be disposed of according to the cause. 1. Irritable bowel syndrome: it is a common functional bowel disease characterized by abdominal pain with changes in bowel habits without organic lesions. It is mainly manifested by recurrent abdominal pain, diarrhea and other symptoms. Patients should be instructed to establish good living habits and diet structure, avoid symptom-inducing foods, inform patients of the nature of this disease, and relieve their concerns. 2. Intestinal inflammation: patients with gastroenteritis and other inflammatory diseases, diarrhea can be prescribed to use loperamide or diphenoxylate to stop diarrhea, should not be taken for a long period of time; mild diarrhea can be used in montelukast, and so on, if there are bacterial infections, you can take levofloxacin and so on. If the patient always diarrhea, should pay attention to the daily diet, avoid spicy, cold and irritating food, and need to be timely to the hospital for colonoscopy and related examinations, to clarify the cause of diarrhea, and comply with the doctor’s instructions for the use of medication.