After being treated with Yinzhihuang granules, the jaundice patients had a decrease in the average serum levels of total bilirubin, indirect bilirubin, aspartate aminotransferase, glutamyl transpeptidase, and alkaline phosphatase, and the differences were statistically significant (P < 0.05) but had no significant changes in the average serum levels of direct bilirubin and alanine aminotransferase (P > 0.05). Here, GPT is linked to Jaundice.