Rectal cancer is one of the most common malignant tumors. The surgical methods include radical resection and local excision. With rectal cancer early diagnosis rate increase gradually, local resection has been gradually increased. Research has shown that the incidence rate of defecation dysfunction and sexual dysfunction in local excision rectal cancer patients with strict screened was lower than that of radical resection. However, local excision didn′t clear local lymph nodes, there is a higher rate of local recurrence, which requires accurate assessment of the local infiltration and lymph node status before surgery, and good postoperative follow-up and monitoring.