Fine and small stools may be caused by gastrointestinal dysfunction, indigestion, low intake of food, anal canal disease, rectal polyps, rectal cancer, etc. Medicines such as domperidone, mosapride, gastrointestinal tablets, lactobacillus and so on can be taken, and surgical operation can be carried out if necessary. 1. Gastrointestinal dysfunction: after gastrointestinal dysfunction occurs, the food can not be excreted in time, which increases the burden of the gastrointestinal tract and leads to the symptom of fine and small stools. It is recommended to give drugs to promote gastric power treatment, such as: domperidone, mosapride and so on. Probiotics can also be given to regulate the intestinal tract, such as: bifidobacteria, lactobacillus and so on. 2. Dyspepsia: Patients with dyspepsia may suffer from loss of appetite, leading to a decrease in the amount of food eaten, resulting in symptoms of fine and small stools. It is recommended to take light and easy-to-digest food, and if necessary, take medication to promote gastrointestinal peristalsis and digestion, such as domperidone, gastrointestinal tablets and so on. 3. Eat less: Because usually eat less, it may also lead to the phenomenon of fine and less stools. It is recommended to pay more attention to adjust the diet structure, try to eat more light, easy to digest food. 4. Lower gastrointestinal tract organic lesions: when anal canal diseases, rectal polyps, rectal cancer and other diseases, can be due to local extrusion and the occurrence of changes in stool properties and volume, at this time the need to carry out appropriate surgical treatment. Caused by thin and small stool causes more, it is recommended to go to the hospital in time for colonoscopy and other projects, clear cause of the disease under the guidance of the doctor for the cause of the treatment.