Hot compresses on the area of a broken foot, usually after 72 hours, are effective in inducing rapid dissipation of swelling to relieve clinical symptoms. After the occurrence of a broken foot, it should be braked immediately, and the affected side should not be used to step on the ground. Within 72h of the injury, ice can be applied directly to the affected area after wrapping with a towel, usually lasting 10-15min/time. After 72h of injury, hot compresses can be applied to the local area. Hot compress can use hot towel or hot water foot soak. If conditions permit, infrared radiation can also be used, and its therapeutic effect is relatively more significant. The use of hot compresses can accelerate the local blood circulation of the soft tissue at the broken end of the injury, so that the bruises and hematomas dissipate quickly, which helps to relieve the swelling caused by the soft tissue injury as well as aseptic inflammation, and can effectively alleviate the pain after the soft tissue injury. This will help to relieve the swelling and aseptic inflammation caused by the soft tissue injury, and effectively relieve the pain after the soft tissue injury. This will have an obvious promotion effect on the functional recovery and the corresponding pain reduction. It is recommended to take more rest when you break your foot, and pay attention to elevating the affected side of the foot when resting in order to reduce swelling. At the same time, you can use topical medication under the guidance of a doctor to speed up the recovery of the sprained area. If there is still no relief in a week, you need to go to the hospital for X-ray, CT or MRI examination to determine whether there is a fracture.