Idiopathic pulmonary fibrosis is also known as "chronic cancer" in clinical practice because of its uncontrollable symptoms and fibrosis progression, and is considered by Chinese medicine to belong to the categories of "lung impotence" and "lung paralysis". Professor Fu Yi is experienced in treating IPF, and his clinical treatment has summarized the characteristics of the disease as "Yang deficiency is the root of the disease, and phlegm and stagnation paralyze the lung", and the treatment is based on the basic principle of "tonifying the lung and kidney, removing phlegm and stagnation, activating blood circulation", using the experienced formula the treatment is based on the basic principle of "tonifying the lung and kidney, removing phlegm and stasis, activating blood circulation", and using the experienced formula "Tian Long Jie" combined with Sheng xian Decoction to dialectically add and reduce the symptoms.