Fibrous foci in the lungs may be caused by inflammatory infections, tuberculosis. Mainly divided into asymptomatic, symptomatic, asymptomatic away without special treatment, if the symptoms are obvious, feasible general treatment, medication relief. 1. Inflammatory infections: may be related to bad habits, or due to inflammatory infections, this type of pulmonary fibrotic foci is not serious, generally do not need special treatment, regular observation can be. 2. Tuberculosis: If the pulmonary fibrotic foci gradually increase in size during the onset of the disease, and form a large area of pulmonary fibrosis, affecting gas exchange, treatment should be carried out as soon as possible. First of all, we should make some adjustments in daily life, and the air quality of the room should be appropriate; for patients infected with tuberculosis, they need to take oral anti-tuberculosis drugs, such as isoniazid, rifampicin, etc. If the patient is infected with tuberculosis, he or she should follow the doctor’s instructions. Combined with silicosis, can follow the doctor’s advice to take hanpengi methylin, acetylcysteine and other drugs. The formation of pulmonary fibrotic foci may also be caused by lung cancer, and it is recommended to do pathology examination according to the doctor’s requirements before treatment to exclude cancer. It is recommended to consult the doctor in time and determine the treatment plan under the doctor’s guidance, avoiding blindly using medicines on one’s own.