You can use hot water to soak your feet after breaking your foot, but you need to pay attention to the time window of hot water use, 72 hours of acute period is generally not recommended to use hot water to soak your feet, 72 hours of relief can use hot water to soak your feet. 1. Acute phase: broken foot clinically belongs to acute foot sprain or acute ankle sprain, 72 hours after the injury belongs to the acute phase of the disease, the acute phase of the injury site of subcutaneous capillary rupture, soft tissue congestion and edema, at this time the use of hot water to soak your feet, it will make the ruptured blood vessels to further dilate, edema aggravation, so this stage needs to be used with ice packs. 2. Relief period: 72 hours after the injury belongs to the relief period, this stage of the rupture of the capillaries has stopped bleeding, at the same time the damage site of the capillary microcirculation reopened, the establishment of a new collateral circulation, at this time, hot water foot soak can accelerate the blood circulation around the injury site, promote the metabolite further discharge, which is conducive to the subsidence of edema. If the patient breaks the foot after the above way to adjust the symptoms do not relieve, should consult a doctor in time to clarify the cause of the disease, under the guidance of the doctor for treatment.