Come to our hospital. Face-lifting needle is a kind of botulinum toxin, and its principle of action is to relax muscles. After injecting the masseter muscle, the masseter muscle will relax and the facial contour will become smaller. At present, there are two kinds of legal face-lifting needles (botulinum toxin), one is BOTOX, which is expensive to import, and the other is Lanzhou Hengli, which is made in China.