Usually, colonic tubular adenomas are benign, although there is a possibility of malignant changes. Patients should go to the hospital in time for formal diagnosis and treatment. Colonic tubular adenoma is a common colonic mucosal lesion, mostly caused by obesity and diabetes, patients with colonic tubular adenoma usually do not have obvious symptoms, mostly found during colonoscopy, if the tumor is large, it will lead to intestinal obstruction, gastrointestinal bleeding, diarrhea and other symptoms. Colonic tubular adenoma usually occurs in the colon and rectum, usually benign, but there is about 10% chance of cancer. If the adenoma is small after examination, it can be resected through colonoscopic ligation, if the adenoma is large, it has to be treated by laparoscopic surgery. Patients with colonic tubular adenoma should have regular checkups, pay attention to rest, develop good living habits, eat a healthy diet, and avoid spicy and stimulating foods after surgery.