Ascending colon 0.8 cm polyp is not big, patients do not need to worry too much, it is recommended that regular review follow-up. The main causes of colon polyps are intestinal inflammatory lesions, genetic factors and bile metabolism disorders. Chronic inflammatory hyperplasia of the intestinal mucosa is an important cause of intestinal polyps. When a family member has adenomatous polyps, the likelihood of other family members having colon polyps increases. Bile secretion disorders cause an increase in bile acids in the intestine, which can easily induce adenomatous polyps in the intestinal mucosa. Patients can be examined in detail by colonoscopy, and some of the polyps will be examined pathologically to determine the nature of the lesion, and then decide whether or not surgery is needed and how it should be performed. Patients usually need to pay attention to light diet, avoid spicy stimulation or greasy food. If the polyp has a significant tendency to increase in size, it is necessary to consult a doctor in time.