Peritoneal metastasis of bowel cancer suggests that the patient is in the middle or advanced stage of the disease, which may affect the patient’s quality of life and shorten the patient’s survival time, so early and regular treatment is needed. Bowel cancer is a malignant tumor that occurs in the intestinal canal area. At the initial stage, the lesion is limited, and as the lesion continues to develop, the cancer cells may metastasize to the surrounding and distant tissues and organs through local infiltration metastasis, blood pathway metastasis, lymphatic pathway metastasis, and implantation metastasis, etc. Common metastatic organs include peritoneum, liver and lungs. Common metastatic organs include peritoneum, liver, lungs and so on. When patients have peritoneal metastasis, it means that they have entered the middle or late stage of the disease. Patients usually have digestive system symptoms and generalized symptoms, which will seriously affect their normal life. Moreover, bowel cancer is a malignant lesion with obvious invasive characteristics, which may lead to patients’ survival time being affected, and some patients with serious conditions may have a survival time of no more than five years. However, patients should not be too nervous, as the medical level is improving, the treatment methods for bowel cancer are also improving. Patients should seek medical treatment as early as possible, and under the guidance of doctors, take surgical treatment, radiotherapy, chemotherapy, targeted drug treatment and other measures in combination with their conditions, which may greatly improve the survival time and quality of life of patients.