There are more causes of diarrhea without stomach pain, and their treatments are different, mainly seen in: 1. Diarrhea, mainly caused by viral infection, indigestion, intestinal dysfunction and intestinal flora imbalance. The main treatment is to give rehydration treatment such as compound electrolyte oral solution to prevent dehydration and electrolyte disorders caused by diarrhea. For patients with viral infection with fever, only symptomatic treatment such as antipyretic and rehydration is needed, and antiviral treatment is not needed; for diarrhea caused by indigestion, drugs to help digestion such as pepsin and antibiotic tablets should be given; for diarrhea caused by intestinal dysfunction, drugs to regulate intestinal function such as trimethoprim, etc. should be given for intestinal flora dysbiosis to adjust intestinal flora. 2, other intestinal diseases, such as early colon cancer, ulcerative colitis and Crohn’s disease, colon cancer requires surgery; Crohn’s disease and ulcerative colitis need to give salicylic acid drugs such as mesalazine, etc. 3, hyperthyroidism, mainly due to the disease patients increased basal metabolic rate, intestinal peristalsis increased and lead to diarrhea, treatment is mainly given to anti-thyroid drug therapy such as methimazole The main treatment is to give anti-thyroid drugs such as methimazole, propylthiouracil, etc.