Salvianolic acid B has been reported to fight lung and liver fibrosis by inhibiting the overexpression of α-SMA, collagen-1, TGF-β1, and the phosphorylation of Smad3, a downstream target of TGF-β1 (Liu et al., 2016; Jiang et al., 2020). This evidence concerns the gene TGFB1 and Hepatic fibrosis.