There are many precautions for injecting hyaluronic acid, which usually include the following aspects: 1. Within 24 hours after the injection of hyaluronic acid to remove wrinkles, contact with the injection site should be avoided in order to fix the shape. Don't apply cold or hot compress on the surgical site after removing wrinkles by hyaluronic acid injection. 2. Try not to do strenuous exercise after hyaluronic acid injection wrinkle removal. Hyaluronic acid injection wrinkle removal maintains general basic maintenance procedures, and massage at the treatment site is not recommended. 3. Don't take a sauna one week after hyaluronic acid injection for wrinkle removal, and try to avoid taking aspirin or other similar drugs for promoting blood circulation and removing blood stasis one week after injection. 4, hyaluronic acid injection should be taboo after wrinkle removal, do not eat some spicy food such as Chili seafood beef and mutton.