Liver metastasis in patients with squamous lung cancer indicates that the disease has progressed to the advanced stage of cancer and the condition is relatively serious. The current condition is not suitable for surgical treatment. Combined chemotherapy, radiotherapy, immunotherapy, targeted drug therapy and biotherapy can be considered to slow down the disease progress. For metastatic lesions in the liver, interventional therapy or microwave ablation can be used to control the metastatic lesions in the liver, but it is more difficult to cure. Family members are advised to care and comfort the patient, maximize the satisfaction of the patient’s wishes, and reduce the patient’s pain. In order to improve the quality of life and prolong the survival period. Active treatment under the guidance of doctors.