Breviscapine were the flavonoids extracted from Erigeron breviscapus (Vant.) Hand-Mazz. Breviscapine were mainly the mixture of 4'-hydroxy- β-D-pyangluconate methyl ester and scutellarin and the content of the latter was about 95 percent. As a new type of Chinese proprietary medicines, which can promote blood circulation to remove blood stasis, breviscapine showed characteristics of good curative effects, wide uses and less side-effects. Breviscapine is efficacious in the treatment of cerebral i...