Flat colon polyp 1.5cm can be treated with medication as prescribed by the doctor to alleviate the discomfort, and surgery is also required. Flat colon polyp is a kind of colon polyp, and flat colon polyp 1.5 cm is usually larger, the patient is easy to accompany the change of bowel habits, blood, abdominal discomfort and other symptoms. Therefore, those with pain can follow the doctor’s advice to use aspirin, celecoxib and other non-steroidal anti-inflammatory drugs to relieve, but also follow the doctor’s advice to carry out surgical treatment to prevent bleeding, intestinal obstruction and the possibility of cancer. For colorectal flat polyps of 1.5 cm, endoscopic treatments such as polypectomy with high-frequency electric coil, endoscopic mucosal resection, and laparoscopic surgery and traditional open surgery are generally available. Patients need to choose the appropriate surgical treatment plan according to their own condition and after evaluation by the doctor in order to achieve the ideal treatment effect. It is recommended that people with flat colon polyps 1.5 cm adjust their mindset and actively cooperate with the doctor’s treatment. Pay attention to the rationality of daily diet, and also develop good bowel habits. Regular post-operative review to monitor changes in condition.