Patients with advanced bowel cancer are given a five-year survival rate of about 10% after treatment, and the exact survival time can vary slightly. Bowel cancer is a common malignant tumor, with colon cancer and rectal cancer being more common, and the disease is often caused by heredity, gene mutation and other factors. The disease is often caused by heredity and genetic mutation, etc. When the disease develops to the late stage, it is often accompanied by multiple distant metastases, such as abdominal metastases and lung metastases. Due to the complexity of the disease and poor physical condition of patients in this period, non-surgical therapies such as radiotherapy, chemotherapy and targeted therapy are mostly used for treatment. The treatment of advanced bowel cancer aims to improve patients’ quality of life and prolong survival time, and after treatment, a five-year survival rate of about 10% can be obtained. If patients pay attention to regular checkups and maintain good living habits after surgery, recurrence can be reduced to a certain extent and survival time can be prolonged.