Pulmonary fibrosis is a difficult disease of the respiratory system, and the most important thing is to clarify the diagnosis and cause. Because of the many unanswered questions about its pathogenesis, it is not yet possible to completely cure the disease, but standardized treatment and careful care can effectively alleviate the symptoms of the disease and reduce its harmful effects on the human body. Regular lung examinations can effectively track the development of the disease and prevent the occurrence of pulmonary fibrosis; adherence to long-term medication is important to delay the development of the disease and reduce symptoms. If the symptoms are severe, high-dose hormone shock therapy may be required under the guidance of a doctor. It is important to develop good habits in daily life, pay attention to avoiding cold and keeping warm, preventing cold and flu, and changing bad habits, such as smoking and drinking. Eat light and easy-to-digest food. Eat more fresh fruits and vegetables, drink more warm water, avoid spicy, sour and fried foods, and try to eat less eggs, fish, shrimp and other foods that can trigger asthma. In summary, although pulmonary fibrosis cannot be completely cured, the progress of pulmonary fibrosis can be very slow with good living habits and regular checkups and constant observation of the condition.