Radio-wave knife can get better results in treating some lung cancers, but this treatment is not suitable for all lung cancer patients. Although it is called knife, it is not a kind of surgery, in fact, it is a kind of radiation treatment for cancer, and its main indications include benign and malignant tumors in the brain, tumors in the spine, hemangiomas, and the treatment of some cancer pain. Radio-wave knife is used in the treatment of lung cancer, which is mainly suitable for patients with early stage lung cancer but with contraindications to surgery, who cannot be treated with radical surgery. After the treatment, the patients can get a better local control rate, and because the treatment is less damaging to the normal tissues in the lungs, the patients will recover more quickly after the treatment. As a kind of radiation therapy for lung cancer, radio-wave knife will have adverse reactions such as bone marrow suppression after treatment, and usually requires hospitalization and treatment by professional doctors.