Lung cancer is a malignant tumor originating from the mucous membrane epithelium of bronchus, the age of onset is more likely to be above 40 years old, mostly between 60~79 years old, generally more men than women, smoking, air pollution and genetics have an impact on the development of lung, and the possibility of causing cancer has a close relationship with the length and amount of smoking. In China, there are also more and more young lung cancer patients. With the change of people’s lifestyle, the accelerated pace of social work and people’s psychological state, the incidence of lung cancer is on the rise in China, and many middle-aged and young people think that cancer is a matter for middle-aged and old people, and they do not pay attention to the health status, and with the development of the disease, serious cases can develop to advanced stage. Features of percutaneous targeted cryotherapy for lung cancer: 1. Small trauma, no obvious pain, fast recovery after surgery. 2.Tumor cells die, compression is reduced, and clinical symptoms are improved. 3. Activation of the immune system of the body, which is conducive to the improvement of survival quality. 4.The efficacy is similar to surgical resection. It has wider indications than traditional surgery. 5.For some patients with late stage of disease, older age, accompanied by one or several diseases such as diabetes, hypertension, pulmonary heart disease, coronary heart disease, heart attack, etc., as they cannot tolerate traditional surgical methods can be preferred. After the treatment, the patients’ clinical symptoms improve significantly, and they can eat after the operation, and they can take care of themselves and increase their appetite and weight.