The scientific proof of Dong 'e Ejiao nourishing can be confirmed from two aspects. The first is the conclusion drawn by scholars when doing clinical experiments. Many authoritative academic papers can be found on the Internet, such as "Nourishing Mechanism and Clinical Application of Ejiao" and "Pharmacology and Clinical Application of Ejiao". These are all searchable. Secondly, it is recorded in Li Shizhen's Compendium of Materia Medica, which is recognized by people.