It must be fake. Yonghetang Ginkgo Dropping Pills all have photos of Professor Hong Zhaoguang and Dr. Zhang Yong. The price of each box of 99 yuan is uniform, with three bottles in each box and anti-counterfeiting marks. Ginkgo biloba dropping pills are prescription drugs. Ginkgo biloba dropping pills are registered as health food by American small molecule extraction technology. There was no precipitation in the comparative experiment. Yonghe Tang Ginkgo Dripping Pills Registration Number. : Shi Guojianzi G2004 1095 PatentNo.: ZL 02 1 35936.9 Patent Name: Ginkgo Dripping Pills for Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases.