The swelling after a broken foot is particularly common in daily life. The swelling is basically caused by the rupture of small blood vessels during the process of the broken foot, resulting in internal bleeding and swelling. If the patient continues to move or continue heavy physical work, it will only aggravate the swelling and the injury, so the patient must strictly rest in bed and give therapeutic measures to promote recovery, such as local cold compresses for treatment within 24 hours of the sprain, you can use ice bags or cold towels on the foot, which can play a very good analgesic, swelling effect. Pay attention to elevate the affected limb to promote blood flow back and help relieve swelling. 24 hours later, local hot compresses are given for treatment to promote the absorption of bruises and help reduce swelling.