The side effects of rhinoplasty include infection, bleeding or hematoma, rejection, skin perforation, deflection or displacement of the expanded body. 1. Infection: If the indications for surgery are not strictly controlled, aseptic operation is not strictly carried out, and the surgery is not done properly, it may lead to infection. 2. Bleeding or hematoma: it usually appears within 24 hours after surgery, and bleeding is usually caused by vascular injury. 3. Rejection reaction: there are two kinds of foreign body rejection reaction: acute and chronic, the former will occur within a few hours to 2 weeks after the operation, and there will be skin congestion, elevated skin temperature and other phenomena, and the latter will occur after two weeks after the operation, and there will be skin congestion and redness, and in serious cases, there is the phenomenon of perforation. 4. Skin perforation: mostly occurring in the tip of the nose, caused by various factors leading to excessive tension in the tip of the nose. 5. Deflection or displacement of the expanded body: it may be caused by insufficient partial peeling, too shallow peeling, too large cavity, bilateral asymmetry, not centered, postoperative compression or impact and other factors. It is recommended to go to a regular hospital, communicate with the doctor, understand a number of matters, carefully choose whether to carry out rhinoplasty operation, and seek medical treatment in a timely manner when abnormal phenomena occur.