Medicine data. Yaozhi Data is a pharmaceutical database website under Yaozhi.com. You can query and download drug standards, drug instructions, Chinese Pharmacopoeia, infrared spectroscopy, essential medicine catalog, medical insurance catalog, medicinal material standards, medicinal material dictionary, foreign pharmacopoeia, and health care online for free. It is a website stipulated in the "2020 Practicing Physician Education" for a series of standard inquiries such as brand cosmetics.