There is a layer of floating material on the water after the bowel movement. Considering that it is related to dyspepsia, ulcerative colitis, atrophic gastritis, intestinal tuberculosis, etc., the patient can follow the doctor’s instructions to use medication or surgical treatment. 1. Dyspepsia: Dyspepsia patients need to adjust the diet, to avoid the intake of greasy, high-fat, spicy stimulating food. Some patients can take domperidone, mosapride and other drugs to promote gastrointestinal dynamics, and omeprazole, cimetidine and other drugs to inhibit the secretion of gastric acid treatment, but also can be used to regulate digestive enzyme preparations. 2. Ulcerative colitis: clear ulcerative colitis caused by the person can follow the doctor’s instructions with mesalazine, osalazine, LiuZiSulphapyridine and other aminosalicylic acid preparation, prednisone, methylprednisolone and other glucocorticosteroids, azathioprine, mercaptopurine and other immunosuppressants treatment. Severe condition, the effect of drug treatment is not ideal for the feasibility of total colorectal resection plus ileal pouch anal anastomosis treatment. 3. Atrophic gastritis: patients can follow the doctor’s instructions with multi-enzyme tablets, pancreatic enzyme tablets and other digestive enzyme preparations, aluminum thioglycollate, magnesium aluminum carbonate and other gastric mucosal protectants, domperidone, mosapride and other gastric motivation drug therapy. If it is caused by Helicobacter pylori infection, quadruple therapy can be taken, and the common program has omeprazole + bismuth potassium citrate + amoxicillin + metronidazole and so on. 4. Intestinal tuberculosis: Usually, intestinal tuberculosis patients need to combine the application of anti-tuberculosis drugs, such as streptomycin, isoniazid, rifampicin, pyrazinamide and so on. Those with diarrhea need to follow the doctor’s instructions for intravenous rehydration, pain can be relieved by ibuprofen, indomethacin and other non-steroidal anti-inflammatory drugs. It is recommended that the person who has a layer of floating material on the water after the stool should consult a doctor for examination, so as to clarify the cause of the disease and then follow the doctor’s instructions for treatment.