How to reduce the swelling of a fractured ankle, in the early stage of swelling, especially if the fracture or trauma is just discovered it needs to be fixed, without other specialized substances such as plaster, the limb can be fixed with resin or the other side to avoid further damage is the first step to reduce the swelling of a fractured ankle. In cases of severe swelling, the affected limb needs to be elevated under immobilization protection, lifting the injured leg higher than the heart, and medications can also be applied, which can be topical Fotarine or Yunnan Baiyao spray. If there is no wound medications can be applied, including cold compresses to reduce swelling. Depending on the weather, cold compresses can be applied with ice packs or cold towels moistened with cool water to reduce swelling. If there is no fracture dislocation, wound infection or wound dehiscence, vascular or nerve damage, all of which can cause severe swelling, it needs to be checked and treated symptomatically. The specific method is to fix the fracture, repair the blood vessels and anti-infection treatment for the wound. The symptomatic treatment and fixation are the most critical steps to reduce the swelling, and the use of anti-swelling drugs, such as sodium hepaticoside and mai zhi ling, which activate blood circulation and remove blood stasis, is beneficial to reduce the swelling.