The manifestations of lung cancer on the skin are mainly as follows. 1. lung cancer manifests extra-pulmonary manifestations due to abnormal hormone secretion, which mainly manifests as skin changes of dermatomyositis, skin pigmentation, etc. 2. lung cancer lesions can affect the coagulation function of the body, thus appearing subcutaneous bleeding, and the skin can appear bleeding spots, bruises, bruises, etc. 3. Lung cancer lesions can cause anemia and shock, and the skin of the patient’s face can appear pale. 4. Lung cancer lesions can metastasize to multiple parts of the liver and liver function, and the patient’s skin can appear yellowish and itchy. 5. The immune function of lung cancer patients is decreased, and many patients show herpes zoster, and the skin changes to a rash.