Danggui buxue tang (DBT), a preparation including radix astragaliandradix Angelica sinensis, has been shown to partially attenuate the increases in blood glucose, TG, and CHO, and DBT was supposed to retard DN progression by suppressing TGF-β1 expression in STZ induced diabetic rats [23]. The gene discussed is TGFB1; the disease is liver dysplastic nodule.