The possible hazards and sequelae of nose hyaluronic acid injection, i.e. hyaluronic acid rhinoplasty, include localized skin redness, localized bruising, localized swelling, infection and pigmentation, etc., and serious disfigurement may also occur. 1. Local skin redness: generally, redness that disappears within 1-2 days is called physiological redness, while redness that lasts more than 3 days is pathologic and requires timely examination and treatment. 2. Local bruising: the needle touches the tiny capillaries and bruising occurs, and this bruising will disappear in 1-2 weeks. 3. Localized swelling: postoperative swelling of the nose area can occur, which usually disappears in 1-2 days, but some patients have prolonged phenomenon, which should be checked and dealt with in a timely manner. 4. Infection: due to the operation disinfection is not in place, or improper postoperative care occurs, there may be local redness, swelling, hot pain or even fever, once the infection occurs, should be timely anti-infection treatment. 5. Hyperpigmentation: Hyperpigmentation may occur if the injection is too shallow or no attention is paid to sun protection. 6. Disfigurement: injecting hyaluronic acid rhinoplasty may also cause nose shape abnormality, distortion and so on, which will affect the appearance. Hyaluronic acid rhinoplasty injection should be carried out in regular hospitals and beauty institutions to avoid the harm as much as possible.