Adverse reactions may occur with hyaluronic acid in the chin, such as infection, hematoma, localized abnormal bumps, and poor shape. Chin playing hyaluronic acid is clinically known as hyaluronic acid pad chin, the hyaluronic acid material will be filled into the chin after shaping, so as to achieve the effect of lengthening, straightening and beautifying the face. Hyaluronic acid chin pad has a certain risk, may be wound infection, hematoma, local abnormal bulging, poor shape or left-right asymmetry, hyperpigmentation and so on. And after hyaluronic acid filler to the chin, the effect can not be maintained for a long time. Usually it can be maintained for 6 to 12 months, and the treatment needs to be repeated. However, it is less traumatic and safer, and can be dissolved if the effect is not good. Patients with hyaluronic acid in the chin are recommended to go to regular medical institutions, which can reduce the occurrence of adverse reactions and achieve the best treatment effect.