Epidermal growth factor mainly contains fibroblast growth factor, which is a good preparation to promote wound healing after highly purified by biological fermentation, mainly used for some burn wounds, and chronic ulcers or trauma or post-laser surgery, and surgical incisions and other post-surgical healing, can use this growth factor, can play a role in promoting epidermal repair, reduce discoloration and reduce scarring. The growth factor can be used to promote epidermal repair, reduce discoloration and reduce scars. This drug can promote the shortening of the repair period and accelerate the regeneration process, and then it can promote capillary regeneration, improve local blood circulation to accelerate the healing of the wound, and must be refrigerated before use so that the effect will ensure its activity.