The small amount of stool may be caused by dyspepsia, chronic enteritis, colon tumor, patients should consult a doctor in time to clarify the cause of the disease. 1. Dyspepsia: a group of symptoms caused by a variety of reasons, patients may manifest as abdominal bloating, unclean bowel movements, small and fine stools, postprandial fullness and bloating, etc. This group of people should ensure that a regular routine, if necessary, the use of omeprazole, moxapride and other drugs for treatment. You can also improve the examination of Helicobacter pylori, positive people are recommended to carry out sterilization treatment. 2. Chronic enteritis: microbial infection, allergy, autoimmune and other factors caused by intestinal inflammation of the general term, the patient will have unclean stool, small amount and fine, abdominal pain, abdominal distension and other symptoms, need to be based on the causes of enteritis treatment, such as the use of mesalazine suppositories, glucocorticosteroids and other anti-inflammatory treatment. 3. Colon tumor: when the patient has a tumor in the colon, the narrowing of the intestinal lumen may occur, resulting in unclean defecation, small and fine stools, and some of them may also have bloody stools and anal swelling, which can be surgically resected under the guidance of the doctor. All of the above treatments and medications should be administered under a doctor’s supervision.