Yansheng baobao liquid

Yansheng Baobao Liquid comes from Imperial Medicine Hospital, a secret recipe of the Yuan court in 1266 AD. The secret recipe was lost in Japan in 1936, and in 1980, it was copied back to China in the Japanese movable type. The medicine was made by Xu Guozhen, a physician in Yuan Dynasty.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)