According to the drying product calculation, total quantity of Terpene lactones(C15H18O8),Ginkgolides A(C20H24O9), GinkgolidesB(C20H24O10) and Ginkgolides C(C20H72O11) in this product shall not be less than 6.0%.Promoting blood circulation to remove blood stasis removing.Used for chest stuffiness and pains, apoplexy, hemiplegia,stiff tongue and impeded speech caused by blood stasis resistance, coronary heart disease with stable angina pectoris and cerebral infarction.