Pulmonary fibrosis belongs to the category of “lung impotence” in traditional Chinese medicine, and the treatment is divided into deficiency cold and deficiency heat syndrome for diagnosis and treatment. 1. Deficiency-heat syndrome: the main manifestations are coughing and spitting sticky saliva, or sputum with blood, low cough, shortness of breath (wheezing and shortness of breath), dry mouth and throat, hot flashes (a burst of fever) sweating, emaciation, dry skin, etc. The treatment can be combined with Maimendong Tang and Qingdao Lung Rescue Soup. It can be treated with the combination of Maimendong Tang and Qingdao Lung Rescue Tang with additions and subtractions. 2. Cold deficiency syndrome: the main manifestations are coughing and spitting up clear and thin saliva, large amount, no thirst, shortness of breath, dizziness, fatigue (mental fatigue, physical fatigue), fear of cold, frequent urination, etc., which can be treated by adding or subtracting Licorice and Ginger Soup or Ginger and Licorice Soup. Pulmonary fibrosis belongs to the lung organic lesions, it is recommended to go to the regular hospital for consultation and treatment, it is not recommended to take drugs blindly.