The benign percentage of small solid lung nodules is usually over 90%, and if left untreated, the benign rate may drop to over 70% as they increase in size. Solid nodules in the lungs generally refer to nodules that cover the blood vessels and bronchial tubes in the lungs and are also relatively high in density. The vast majority of these are benign lesions, usually caused by lung infections, pneumonia, dust inhalation, etc. There are usually no obvious symptoms, and some may present with symptoms such as a dry cough and chest tightness. Early solid lung nodules, if the size is relatively small, can be regularly observed, and check the tumor markers, do not have to worry too much, if the size is large, can be surgically resected, only a very small portion of the tuberculosis or tumor. Wear a good mask when you go out to prevent the inhalation of haze, develop good dietary habits and living habits, and eat more fresh fruits and vegetables. The appearance of solid lung nodules, need to promptly go to the hospital.