Patients with middle to late stage of squamous lung cancer may be in clinical stage II, III or IV, and the survival period of patients will be different for different clinical stages. Since it is impossible to accurately predict the specific survival period of patients, the 5-year survival rate can be used to roughly evaluate. Some clinical data show that the 5-year survival rate of patients with stage II squamous lung cancer is about 40%, the 5-year survival rate of patients with stage III squamous lung cancer is about 15%, and the 5-year survival rate of stage IV squamous lung cancer is even lower, less than 5%. Compared with other types of lung cancer, squamous lung cancer is characterized by slow growth and late metastasis, and the chances of surgical resection are relatively high. If it can be detected as early as possible and surgically resected as early as possible, the 5-year survival rate can be greatly improved. The specific survival period of patients is related to many factors. It is recommended that patients face the disease with a positive mindset and actively cooperate with doctors to improve the prognosis of survival period and life treatment.