The manifestation of colon cancer metastasis shows different symptoms according to the different locations of metastasis, and common metastatic sites include liver, lung, peritoneum and other symptoms. 1. Liver: patients may have poor appetite, and jaundice may appear when liver abnormality presses on bile ducts, and blood routine or ultrasound examination is needed to determine the location of lesion and liver function abnormality. 2. Lungs: early metastasis may appear small lung nodules, symptoms are usually not obvious, with the development of the disease may appear pneumonia, dyspnea, chest tightness and other symptoms. 3. Peritoneum: when metastasized to peritoneum, there may be ascites, intestinal obstruction and other disease phenomena. After surgery, colon cancer patients should keep a good mood, avoid anxiety and tension, use medicines as prescribed by doctor, have regular follow-up and monitoring, and consult doctor when symptoms worsen.