Diarrhea is usually related to unclean diet, cold stimulation, gastrointestinal dysfunction and other factors, and can be solved by adjusting the diet, oral medication and other methods. 1. Dietary impurity: Dietary impurity refers to diarrhea caused by eating unclean or spoiled food, usually adjust the diet to light and fresh fruits and vegetables, and defecate a few times can be relieved. 2. Cold stimulation: when the cold stimulation after eating too cold food caused by diarrhea, generally available warm water bag hot compresses on the abdomen, can improve the diarrhea. 3. Gastrointestinal dysfunction: due to the patient’s own gastrointestinal dysfunction, gastrointestinal flora imbalance, probiotics can be taken, such as lactobacillus tablets, bifidobacteria, etc. to regulate the intestinal flora, to relieve diarrhea. If the symptoms of diarrhea are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, to identify the cause and then give targeted treatment.