Ancient medical classics of China, Shennong Baicao Jing and Compendium of Materia Medica, both recorded that jade has the effects of "removing middle heat, relieving restlessness, moistening heart and lungs, helping voice and throat, nourishing hair, nourishing five internal organs, calming the mind and calming the nerves, dredging blood vessels, and brightening eyes and ears". There are 106 kinds of therapeutic methods for oral and external use of jade tablets.
Wearing "Yu Shuhua" has certain beauty and health care functions. The beauty function of ancient jade has been clearly recorded in ancient books such as An Hou Ji Fang and Shi Yi. Pang Sanniang, a famous singer in Tang Dynasty, was originally a wrinkled old Xu Niang, but she was good at makeup and looked like a girl. It is said that she used a magical health jade. Empress Dowager Cixi has a unique beauty method in Yu Xiang Park Miao Lu, that is, rubbing, rubbing and rolling her face with a jade ruler. Jade ruler is made of precious and special jade.