Pulmonary fibrosis patients in the diet can eat more high-quality protein, containing a variety of vitamins, light food, drink more water, drugs can be taken orally, such as pirfenidone, nidazepam, glucocorticoids and other drugs to slow down the progress of the disease. Pulmonary fibrosis refers to the proliferation of fibroblasts, tissue structure destruction as the characteristics of a class of lung disease changes, more than the etiology is unknown, mostly idiopathic pulmonary fibrosis. Diet: Eat more high-quality protein (such as eggs, milk, fish, etc.), a variety of vitamins (vegetables, fruits, etc.), light diet, spicy, fried food is more likely to produce phlegm, this kind of food should be eaten sparingly. For patients with dysphagia, they can eat fluids and drink more water to promote the expulsion of phlegm. Drugs: There is no specific drug for pulmonary fibrosis, but oral administration of pirfenidone, nidazepam, glucocorticosteroids, such as prednisone and other drugs can partially slow down the progress of the disease. Patients with pulmonary fibrosis are advised to consult a doctor in time, and should use medication under the doctor’s guidance, not blindly use or stop medication.