There are many kinds of targeted drugs for lung cancer, such as EGFR-TKI inhibitors, ALK fusion gene positive drugs, ROS1 positive drugs, C-met14 mutation drugs and so on. Lung cancer is a malignant tumor originating from the bronchial mucosa or glands in the lungs, and the treatment modalities include surgical treatment, radiotherapy, chemotherapy, targeted therapy and other modalities. There are many kinds of targeted drugs for lung cancer patients, and the common ones are EGFR-TKI inhibitors, ALK fusion gene positive drugs, ROS1 positive drugs, C-met14 mutation drugs and so on. By targeting drugs to hinder tumor growth and metastasis, some drugs can promote apoptosis of tumor cells, thus improving the prognosis of lung cancer patients and improving the quality of life of lung cancer patients. For lung cancer patients, early diagnosis and early treatment should be done to avoid delaying the condition, otherwise the prognosis of the disease will be affected. Pay attention to diet in daily life, strengthen nutritional intake, eat more fresh fruits and vegetables and lean meat to provide nutritional value for the organism. If they need to take targeted drugs, they should strictly follow the doctor’s prescription.