Shen Nong's Herbal Classic

Shen Nong's Herbal Classic (Shen Nong Ben Cao Jing), which was first compiled some time during the end of the Western Han Dynasty, lists various medicinal herbs at given grade and rarity ratings. The book recorded 365 types of medicine, some of which is still used in contemporary clinics, and also set up a beginning of the establishment of Eastern medicine.