Hyaluronic acid injection chin filler is a convenient, fast, less invasive, and immediate effect of microplastic surgery, can effectively improve the chin short, receding and other symptoms. However, hyaluronic acid injection chin pad also has certain risks, the common risks include the following: 1, post-operative injection site redness, swelling, itching: is a common post-operative phenomenon, generally about a week can dissipate on its own, does not affect normal life and work. If the symptoms are not relieved for a long time, it is suggested that the patient should consult a doctor in time; 2. Local bruising: after injecting hyaluronic acid, it is easy to cause local bruising symptoms, which is manifested as chin bruising, and generally the bruising can disappear after 3-5 days; 3. Hyaluronic acid displacement or deformation: within 2 weeks after injection, because the injected hyaluronic acid is not stable, when pressing and kneading the local area, it is easy to make hyaluronic acid displacement or deformation; 4. Pigmentation: after injecting After hyaluronic acid injection, the local area may be more sensitive, and if the patient does not pay attention to sun protection, it will easily trigger local pigmentation; 5, vascular embolism: injecting small blood vessels into the face will lead to local skin necrosis, and if the reflux is serious, it will lead to blindness and even brain infarction. In short, hyaluronic acid chin pad is much less risky and cheaper compared to chin augmentation with prosthesis. With the body’s metabolism, hyaluronic acid can be completely decomposed and absorbed, and is a non-permanent injectable material that can be used repeatedly.