Small nodules in the lungs should pay attention to regular review, prohibit smoking or second-hand smoke, choose a good living or working environment, and relaxation, appropriate exercise, avoiding anxiety and so on. Many people physical examination chest CT found lung nodules, itself does not have symptoms, because more than ninety percent are benign lesions, so do not need special treatment. As the nodules are still malignant, it is necessary to review the chest CT regularly to observe whether there are obvious changes in the nodules, no obvious changes do not need to be dealt with, annual review can be. Some nodules may be related to smoking or poor living environment, so you should choose a good living or working environment. A part of the population is prone to anxiety, which leads to a decrease in the quality of life and may promote the occurrence of malignant diseases, so it is necessary to try to relax, appropriate exercise, avoid anxiety, etc..