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Objective To investigate the effect of muscone on cardiovascular system.Methods Experimental animals to divide muscone high、middle、low dose group(the mouse is 20 mg·kg-1,10 mg·kg-1,5.0 mg·kg-1;the rat is 10 mg·kg-1,5.0 mg·kg-1,2.5 mg·kg-1),GT group(the mouse is 1/12 mg·kg-1;the rat is 1/24 mg·kg-1)and NS group.Intragastric administration in a week,do the mouse ant-hypoxia experiment、the drug(Pit.)produce the rat myocardial ischemia experiment and obstruct coronary artery to produce the rat myocardial ischemia experiment.The mice’s survival time(t),the rat’s variation of T in electrocardiogram、creatinkinase(CK)and lactate dehydrogenase(LDH)were recorded,respectively.Results The effect of Muscone is significant difference between GT and NS in a dose variation manner.Conclusions Muscone has the effect of ant-hypoxia,cutting down T peak value,reducing CK and LDH.The muscone has effect to inhibiting myocardial ischemia.