The main causes of diarrhea are acute gastroenteritis, abdominal cold, intestinal flora imbalance, intestinal cancer and so on. Different causes, different ways to stop diarrhea, including physical therapy, dietary modification, medication and so on. Physical therapy: apply hot water bag to the abdomen to avoid getting cold again and aggravating the diarrhea. 2. Dietary modification: It is also recommended that patients should stop eating or eat a small amount of food, avoid cold, spicy and irritating food to avoid irritation of the intestinal tract. Diarrhea will lead to abdominal pain, body weakness, and in severe cases, it will also lead to water and electrolyte disorders in the body. 3. Medications: Commonly used antidiarrheal medications include montelukast. Using its special structure, it can have certain adsorption and inhibitory effect on the intestinal viruses, bacteria and toxins, and can adsorb a large amount of water in the intestinal tract, so as to alleviate the symptoms of diarrhea, and at the same time take probiotics to regulate the intestinal flora, if necessary, the application of antibiotics to fight infection treatment. The use of medication requires the use of drugs under the guidance of a doctor. The etiology of diarrhea is more complex, it is recommended that the patient actively consult the doctor, improve the examination, clarify the cause of the disease, targeted treatment.