Symptoms of pulmonary fibrotic foci may include dyspnea, dry cough, fatigue, lethargy, cyanosis, etc. It is recommended that patients actively seek medical treatment. 1. Difficulty in breathing: the respiratory function of patients with pulmonary fibrotic foci will be impaired to a certain extent, so the symptoms of insufficient breath and dyspnea will occur. 2. Dry cough: coughing without obvious triggers, no sputum or a small amount of sputum. 3. Weakness: no strength in the whole body, poor mental state, which cannot be relieved even after rest. 4. Wasting and cyanosis: the lung fibrotic foci are extensive and heavy, and the patients are in long-term hypoxia, they will have the manifestation of wasting and cyanosis. If the diagnosis of pulmonary fibrotic foci is confirmed, it is recommended to consult the doctor for treatment in time, clarify the cause of the disease, and actively treat the symptoms and causes to avoid aggravation of the disease.