Bowel cancer liver metastasis is mainly treated by surgery, intervention, radiotherapy, targeted therapy and immunotherapy. Bowel cancer generally refers to colorectal cancer, which refers to malignant tumors occurring in colon or rectum and can be metastasized to liver. Colorectal combined liver metastasis is already in advanced stage, and the treatment is mainly based on chemotherapy and radiotherapy, as follows: 1. If the primary foci and liver metastasis can be resected, both of them can be resected together; 2. If the primary foci can be resected but the metastases cannot be resected, palliative resection can be performed on the primary foci, and the metastases can be given interventional therapy (e.g., transvascular chemoembolization, radiofrequency ablation, injection of anhydrous alcohol, etc.) or local radiotherapy; 3. If the primary foci cannot be removed, “short-circuit” surgery or stoma surgery is feasible. In addition, after surgical treatment, patients need to choose chemotherapy, radiotherapy, targeted therapy, immunotherapy, etc. according to the situation. In conclusion, colorectal combined liver metastasis is advanced and requires comprehensive treatment. It is recommended to go to the regular hospital for comprehensive assessment of the condition, choose the appropriate treatment plan according to the situation, and follow the doctor’s instructions to actively cooperate with the treatment, so as to avoid delaying the condition.