Abstract:The Danshen Injection has been proved good for decreasing platelet malonaldehyde(MDA)levels inpulmonary thromboem bolisminduced by colagen and adrenaline in mice,as well as increasing the activity of su-pero-xide desmutase(SOD)in platelets,thus providing protection against pulmonary thromboembolism and inhi-bition of platelet aggregation.