"Free-hand plastic surgery" is a kind of free-hand physiotherapy medicine that originated from the emperor of China, ancient Egypt and the royal family of Europe. Ge Hong's Elbow Emergency Prescription in Jin Dynasty is the earliest recorded method to repair mandibular joint dislocation in the world, that is, to repair crooked teeth, complete mouth or semi-extracted teeth by hand.

According to human anatomy, the musculoskeletal nervous system is a unified whole, which restricts and influences each other. As long as the shape and function of one part change, it will lead to the adaptability change of other parts.

At the same time, it stimulates the natural regulation mechanism existing in our body. Therefore, we can adjust our body balance with the help of "freehand plastic surgery", which is an excellent health care method.