Lung metastasis of colon cancer for 5 years needs to be combined with the patient’s physical condition, specific condition and other comprehensive judgment to formulate a treatment plan, and the commonly used plans include surgery, radiotherapy, chemotherapy, targeted therapy and daily conditioning. 1. Surgery: mainly for single metastatic lesion or lesion with large size, causing pressure on neighboring tissues and producing symptoms, etc., surgical resection can be carried out on the corresponding lesion. 2. Radiotherapy: localized external irradiation or particle implantation can be chosen as radiotherapy treatment, which can help control the progress of the lesion. 3. Chemotherapy: the main choice of conventional drugs for chemotherapy, commonly used chemotherapeutic drugs are cisplatin, oxaliplatin and so on. 4. Targeted therapy: in patients with gene mutation, the clinic can choose to regularly apply targeted drugs for control, commonly used drugs are bevacizumab and so on. 5. Daily adjustment: usually pay attention to adjusting diet, matching nutrition and enhancing physical quality. Patients with lung metastasis of colon cancer need to seek medical treatment in time, and carry out standardized treatment under the guidance of clinicians, so as to avoid delaying the condition.