Objective: To study on protective effect of GFS on experimental myocardial infarction in rats. Methods:The changes of myocardial infarction size, the serum CPK, LDH activity,the serum LPO content,SOD and GSH Px activity, myocardial FFA content and plasma 6 keto PGF 1a and TXB 2 level were determined in rats with acute myocardial infarction model induced by ligating the left anterior descending coronary artery. Results:In rats treated by GFS(in a dosage of 10,20 and 40 mg·kg -1 ...