Thin stools are related to many factors. If it is caused by too fine diet and relatively small volume of stool, you need to correct your diet, increase the intake of food in your diet, and eat more food rich in dietary fiber. Dietary fiber can absorb a lot of water, increase the volume of stool, and will not be absorbed by the intestinal system, so it can help improve thin stool. The thin stool and intestinal occupational diseases may also be related, such as rectal polyps, intestinal tumors, the need for colonoscopy to confirm the diagnosis, for patients with benign tumors can be removed directly under the endoscope, intestinal tumors caused by the need to combine surgical treatment.