For small nodules in the lung, it is necessary to quit smoking and alcohol, minimize exposure to irritating gases to avoid injury to the lungs, and can review CT after 3 months. if there is no significant change in the nodules, you can take oral Chinese medicine soup to regulate them, and generally give symptomatic treatment with drugs to clear heat and detoxify, reduce swelling and disperse nodules. If the nodule grows significantly, further examination of chest intensive CT, chest MRI, lung tumor markers, fiberoptic bronchoscopy, etc., or even taking pathological specimens and doing pathological experiments is recommended. If it is a malignant tumor and there is an indication for surgery, it is recommended to have surgery as soon as possible, and those without an indication for surgery can have radiotherapy. At the same time, it can be combined with traditional Chinese medicine soup to support and dispel the evil, strengthen the capital, reduce the side effects of radiotherapy and chemotherapy, improve the quality of life and achieve the effect of prolonging life. If the lung nodules are larger than 20mm in diameter, either malignant or benign, surgical removal is recommended to prevent malignant disease.