Lung metastasis of colorectal cancer can also continue to be treated, including surgical treatment, targeted therapy, chemotherapy, palliative treatment and so on. 1. Surgery: Surgery is usually not recommended after lung metastasis of colorectal cancer, and comprehensive treatment is the mainstay. However, if intestinal perforation, intestinal obstruction, persistent bleeding, etc. occurs in primary, resection of primary foci can be performed to improve the corresponding symptoms of patients. For single lung metastasis, if the patient’s physical condition allows, surgical resection can also be considered to reduce the tumor load. 2. Targeted therapy: Targeted therapy is an important treatment for advanced metastatic colorectal cancer, and commonly used drugs include bevacizumab and cetuximab. 3. Chemotherapy: chemotherapy is the basic treatment for metastatic colorectal cancer, commonly used drugs include fluorouracil, oxaliplatin, irinotecan, etc., which can also be used in conjunction with targeted therapy to improve the therapeutic effect. 4. Palliative treatment: For advanced colorectal cancer patients, certain palliative treatments can be given to alleviate patients’ pain and improve the quality of life, such as analgesic treatment and nutritional support therapy. Patients with lung metastasis of colorectal cancer are suggested to go to hospital as early as possible, and ask professional doctors to make scientific and reasonable treatment plan, so as to improve the quality of survival and prolong the survival period as much as possible. Please strictly follow the doctor’s prescription for drug treatment and do not use drugs by yourself.