After the face-lifting needle is injected, the nerve impulses of nerves and muscles are blocked, the excessively contracted muscles are relaxed, and the excessively developed muscles are paralyzed, thus achieving the effect of face-lifting. Generally, the best injection effect is about 1 month. Face-lifting needle does not need surgery or medicine. It only needs to inject a proper amount of biological agents into the masticatory muscles with a small needle, and the purpose of face-lifting can be achieved in a very short time.