Elderly pulmonary fibrosis is a kind of not easily reversible proliferation of fibrous tissue in the lungs. Elderly pulmonary fibrosis with infection will have cough, dyspnea and other symptoms, which can be treated by oxygen therapy, medication, surgery and other methods. 1. Oxygen therapy: the elderly lung fibrosis and infected cough patients will be due to the increase in oxygen consumption, resulting in hypoxia. Long-term low-flow oxygen intake can be performed under the guidance of a doctor to ensure that the body’s oxygen saturation is within the normal range, to relieve coughing, dyspnea and other symptoms, and to maintain the body’s normal metabolism. 2. medication: the elderly lung fibrosis and infected cough, first of all should be actively treating pulmonary fibrosis, such as the use of pirfenidone, nidazepam and other drugs, pulmonary fibrosis and infected cough can be under the guidance of the doctor oral amoxicillin, ceftriaxone sodium and other drugs for treatment. 3. Surgical treatment: when the effect of drug treatment is not good, it is recommended to improve the quality of life of patients with pulmonary fibrosis through lung transplantation surgery to alleviate the symptoms. Therefore, elderly patients with pulmonary fibrosis and infected cough should quit smoking and drinking, pay attention to warmth, prevent cold and flu, if any discomfort, should consult a doctor in a timely manner, under the guidance of the doctor for standardized treatment.