The duration of sigmoid colon cancer surgery depends on the patient’s intraoperative condition and the surgeon’s operation. Generally, it will not take more than 3 hours. Nowadays, laparoscopic surgery is also faster. Sigmoid colon cancer definitely needs surgery, and only surgical resection can achieve the purpose of cure. The prognosis of colon cancer is relatively better than rectal cancer because the resection area is larger. Nowadays, laparoscopic surgery is used for sigmoid colon cancer, which is the simplest operation among colon cancer resection.