The stanching activity of Zhad was assessed by studying the coagulant activity using the method of measuring the coagulation time of the mice fed with Zhad,and different menstruum extract of the drug.

• 然后,用同样的方法,分析该药不同提取物的凝血作用,发现紫花地丁等4味药的乙醇提取物具有较强的止血作用。