Severe swelling of the foot after a fracture is caused by contusion damage to the surrounding tissues as well as bleeding caused by the fracture itself. If the fracture is within 24 hours, it is recommended to apply local cold compresses to reduce swelling, and if more than 24 hours, it is recommended to apply local hot compresses to promote blood circulation and reduce swelling. It is also recommended to elevate the affected limb to speed up the blood flow to reduce the swelling. It is also recommended to take medications to promote the absorption of blood stasis and relieve the symptoms. In addition, it is recommended to eat foods rich in vitamin C, such as fresh vegetables and fruits, to promote tissue repair and accelerate the relief of symptoms.