Although filling nasolabial folds is not a big project that moves the knife, but seekers should still comply with the relevant precautions before and after surgery to avoid affecting the postoperative effect and causing unpredictable consequences. Routine matters before filling nasolabial folds: 1. 3 days before nasolabial fold filling surgery, wash your hair once a day, take appropriate sleeping medication one night before surgery, apply sedative painkillers as appropriate half an hour before surgery, and decide whether you need to fast according to the anesthetic procedure. 2.Stop drinking alcohol 1 week before nasolabial filler, stop using aspirin, vitamin E and other blood vessel expanding drugs. 3.Seekers should have a comprehensive and in-depth pre-operative conversation with the doctor to understand the size of the surgery, the steps, the degree of pain, the speed of recovery, the possible results, and the possible risks. 4, physical health check, possible heart, lung, liver, blood and other medical diseases, past surgical history, medication history, allergy history, etc. can not be performed nasolabial filler. Before nasolabial fold filling surgery, please be sure to do the preoperative preparatory work, do not act blindly, so as not to bring unnecessary harm to yourself. Precautions after nasolabial fold filler: 1. Do not massage the injection site with force to avoid needle hole infection. The injection site should be kept stationary for 48 hours after injection, while avoiding frequent movements of facial muscles such as crying and laughing to maintain the uniform distribution of the injected site filler. 2.After the injection, you should not do heavy makeup on the implantation site within 2 days, do not steam sauna, do not do laser or photoelectric type within 1 month. 3.Do not eat seafood, spicy and stimulating food within three days, and maintain a normal life and good rest. 4.After the injection is completed, please avoid drinking alcohol, as alcohol may produce redness on the affected area. 5.Do not expose to sunlight (ultraviolet radiation) for a long time, as any ultraviolet radiation may cause redness and swelling.