Wang et al. proved that the Bu Xu Hua Yu recipe positively up‐regulated the secretion of IL‐10 and Foxp3, downregulated the secretion of IL‐17, regulated the development and proliferation of Treg/Th17 cells, and subsequently improved α‐GalCer‐induced hepatitis in mice.63 This evidence concerns the gene IL10 and hepatitis A virus infection.