银杏(GinkgobilobaL)为裸子植物,又名白果,公孙树作为药用在我国已有600多年的历史[1]。自60年代以来,国内外学者对银杏叶的化学成分、药理作用及其应用做了大量的研究工作,银杏叶的有效成分已基本明确。临床研究亦不断深入,银杏叶制剂(EGB)在治疗视网膜损伤中取得较多进展。1 Ginkgo biloba (Ginkgobiloba L) is a gymnosperm, also known as ginkgo. Gongsunshu has been used as a medicinal herb in China for more than 600 years [1]. Since the 1960s, scholars at home and abroad have done a lot of research work on the chemical composition, pharmacological effects and application of Ginkgo biloba leaves. The effective composition of Ginkgo biloba leaves has been basically clear. Clinical research has also deepened, and Ginkgo biloba extract (EGB) has made more progress in the treatment of retinal damage. 1