Freehand plastic surgery is an extremely gentle method to correct and restore the correct position of skeletal muscle. It pays attention to the integrity of the body, and the musculoskeletal nervous system is a unified functional whole, which restricts and influences each other. As long as the shape and function of a certain part change, it will lead to the adaptability change of other parts. Correction can stimulate the natural healing mechanism in our body at the same time, so as to reduce the negative effects of stress on the central nervous system, so as to achieve bone integrity, muscle softness, blood circulation, and obtain more comprehensive health and resistance to diseases, so it is also an excellent health preservation method.