Most patients in the early stage of sigmoid colon cancer can be cured. The main manifestation of sigmoid colon cancer is obstructive symptoms, so patients often appear infiltration and obstruction, and patients may go to hospital when their symptoms are obvious. At present, most tertiary hospitals have minimally invasive treatment, which is relatively simple. Early resection of intestinal segments can basically cure sigmoid colon cancer, and if the patient has local metastasis after treatment, chemotherapy treatment is also available, so the effect of early sigmoid colon cancer is better after surgery. Therefore, early sigmoid colon cancer is better after surgery. After surgery, regular review is needed, and colonoscopy is needed after one year to observe whether there is any change in the patient’s wound, pay attention to diet after surgery, pay attention to fiber diet and proper exercise to prevent recurrence.