疏肝酶是从蝮蛇毒中提取的复合酶制剂。用其治疗慢性活动性乙型肝炎４０例，并设立对照组３７例，结果两组治疗前后在症状、体征，血清胆红素（Ｂｉｌ）、谷丙转氨酶（ＡＬＴ）的下降率，转为正常例数及转为正常时问方面，均有显著性差异。其中２例于治疗前后肝组织电镜检查对比亦有明显好转。故初步认为该药有扩张微血管，疏通微循环，减轻肝细胞坏死，保护肝细胞作用。 Shugan enzyme is extracted from the snake venom complex enzyme preparation. With its treatment of chronic active hepatitis B in 40 cases, and the establishment of the control group of 37 patients before and after treatment in the two groups in the symptoms, signs, serum bilirubin (Bil), alanine aminotransferase (ALT) decreased to normal The number of cases and when asked to change to normal, there were significant differences. Two cases of liver tissue before and after treatment were also significantly improved electron microscopy examination. It is initially believed that the drug has the expansion of microvascular, clear the microcirculation, reduce liver cell necrosis, protect liver cells.