Hyaluronic acid is one of the normal components of the human body and is found in the skin, joints and other tissues and organs. Hyaluronic acid is a required ingredient in many topical cosmetics because of its excellent water absorption and retention properties and its ability to continuously supply water to the skin. However, due to the water-absorbing property of hyaluronic acid, the change of osmotic pressure after artificial cross-linking of hyaluronic acid, and the trauma of injection, etc., a small number of people will experience short-term swelling for about 24 hours after hyaluronic acid is injected into the human body. So how to minimize the swelling time of even 24 hours? Several measures that can be taken at home are summarized for the reference of beauty seekers. 1, 24 to 48 hours after surgery as long as possible ice (can be used 4 degrees of soft milk bag gently applied to the injection site) to reduce swelling. 2, external use of magnesium sulfate solution wet compress. Magnesium sulfate solution in the clinic for insect bite dermatitis and other inflammatory diseases resulting in swelling of commonly used drugs, directly 50% of magnesium sulfate solution (crystal preparation, pharmacies have sold crystal drugs) or finished magnesium sulfate injection (containing 25% or 10% of magnesium sulfate) gauze wet compress can be, twice a day, 20 minutes each time. 3.Topical application of xiheptal, can be local anti-inflammatory, promote venous reflux. 4.Lightly compress the injection area within 24 hours after surgery, but this measure must be implemented under the guidance and demonstration of the doctor to ensure that the injection area will not be deformed due to excessive compression. 5.Take oral medications such as Mizarin or Destructor to promote the reduction of swelling.