Objective To observe the effects of Jiawei Danshen decoetion (JDD) on coronary blood flow and the blood oxygen content and saturation in anaesthetic dogs. Methods The pharmacological effects of JDD were observed according to the changes of coronary blood flow and blood oxygen content and saturation. Results The canine coronary blood flow was significantly increased with high/middle dosage of JDD (P〈0.05). The different value of blood oxygen saturation and content was higher obviously (P〈0.01, P〈0.05). Conclusion JDD can increase corona...