NFKB1 and pulmonary fibrosis: To explore the mechanism of this prescription in the treatment of pulmonary fibrosis and provided a reliable experimental basis for clinical practice, we demonstrated that Bufei decoction could effectively inhibit the infiltration of macrophages and the activity of NF-κB in alveolar macrophages (AM) and reduce the content of hydroxyproline in lung tissue to attenuate the degree of pulmonary fibrosis.