Foot sprain after 72 hours can use hot water to soak feet, within 72 hours should be cold water foot soak or ice packs. Foot sprain after the general 72 hours can not be hot water for foot soak, 72 hours can be given cold water foot soak or ice packs, can play a role in shrinking blood vessels and reduce swelling. Foot sprain 72 hours later, sprain capillary thrombosis oozing has basically been well controlled, according to the foot of the situation to give hot water foot soak, in order to promote blood circulation and enhance the absorption of swelling, as soon as possible to promote recovery. Hot water foot soak at the same time, can also be given to relax the tendons and blood tablets, Yunnan Baiyao and other blood circulation anti-inflammatory and analgesic drugs to symptomatic treatment. After the foot sprain, first of all, we should first exclude the bone injury, such as bone cracked or broken should go to the hospital to play the plaster fixed, it is recommended to use medicine and treatment under the guidance of the doctor.