Ginkgo biloba is a very high medicinal value of plants, China's ancient ginkgo tree for the species, it is the magic tree of medical, 200,000,000 more than 5 years ago, Jurassic dinosaur control of the earth, Ginkgo biloba has been the most prosperous One of the plants. Qian Yinian through the Earth's life changes, especially in the fourth century glacier coverage, only ginkgo remained the most primitive face of it, in his bio in the history of chemical known as the "living fossil." Its leaves, fruit, seeds have high medicinal value, its pharmacological effects have been recognized, and gradually expand the scope of the clinical application.