Nourishing yin and regenerating muscle is a method of using medicines or therapies that nourish yin fluid to promote the growth of new flesh and accelerate the healing of sores. 1. Nourishing yin to regenerate muscle is a Chinese medicine term that refers to the use of medicines that nourish yin fluid and blood to promote the recovery of damaged or ulcerated skin; it is mainly used for the treatment of skin and mucous membrane breakage or ulcers that have remained unhealed for a long time due to the reduction of yin fluid and the wounding of the essence by the fire of deficiency. 2. Nourishing yin and regenerating muscle is based on medication, mainly including internal or external application; such as Nourishing Yin and Regenerating Muscle Bulk, Rehabilitation New Liquid, and so on. The above drugs are recommended to be used under the diagnostic guidance of TCM physicians, and should not be purchased or used on their own to avoid delaying the condition.