Cai Tongde introduced: When was founded, it was a shop in front and a factory in the back. The front shop sold pills, powders, ointments, elixirs, glue, dew, medicinal wine and formulas, and the back shop was for boiling donkey skins, turtle plates, tiger bones, deer bones and other glues. It is a factory that produces all kinds of ointments and medicinal wines. It is famous for its self-produced tiger bone papaya wine and Dongtian Changchun ointment. It has become one of the four major national medicine brands in Shanghai and is popular at home and abroad. The store is now famous at home and abroad for its authentic medicinal materials, refined decoction pieces, ginseng antler and white fungus, pills and ointments, and gelatin medicinal wine. It is especially famous for its tonic ointments and wine. Historically, its tiger bone papaya wine and Dongtian Changchun ointment are famous both at home and abroad.