The symptoms of lung squamous carcinoma in China are very complicated, and many patients diagnosed clinically do not know the early symptoms very well, and many patients are diagnosed with symptoms that have developed to a more serious degree. At present, there are many clinical treatments for lung squamous carcinoma, but the treatment effect is different for different patients, and the psychological pressure on patients is great, so many patients and family members are very concerned about how long they can live after lung squamous carcinoma metastasis. First of all, patients need the support of correct treatment. Early detection, early diagnosis and early treatment are the magic weapons for us to overcome cancer. There is a very strong connection with the correct treatment. To treat cancer, the primary prerequisite is to completely kill the malignant tumor cells. At present, the more mature and effective methods to treat cancer are firstly, surgical treatment for removal, secondly, radiotherapy and chemotherapy, and thirdly, conservative palliative symptomatic treatment in internal medicine. There are also Chinese herbal medicine and biological therapy. Secondly, it is determined by the immunity of patients. During cancer treatment, the most important point is to protect the patient’s immune function, that is, to protect the patient’s resistance. Almost all treatments have an impact on the patient’s immune function, and the decline of immune function is one of the reasons for the resurgence of residual cancer cells. From the clinical point of view, evaluating the immune function of patients can be done by observing the general condition of patients, such as physical strength, mental status, sleep, weight, body mass, appetite, etc., which is summarized as the quality of patients’ survival. Overall, the patient’s initiative should be mobilized, confidence should be enhanced, physical fitness should be strengthened, immune enhancers should be applied appropriately, and nutrition should be enhanced. Clinically, the symptoms of lung squamous carcinoma are highly malignant, and the treatment difficulty for lung squamous carcinoma is also great, and the treatment time for many patients is very long, which is a great test for patients and family members, so people are also concerned about the survival period of lung squamous carcinoma patients, and patients’ family members should master scientific care measures during the treatment period, which can effectively prolong the survival period of patients.