After a broken foot, if a bulge appears on the top of the foot, it can be the result of two conditions: first, it is a subcutaneous hemorrhage after a ligament injury. This bulge is usually very pronounced in terms of pressure pain, and sometimes there is petechial hemorrhage and color change, such as the appearance of bruising. In addition, tendon sheath cysts can develop after ankle sprains, often in the middle of the wrist joint. These bulges are usually not obvious in terms of pressure pain and can have no localized pressure pain and no significant color change. This tendon sheath cyst can be treated with observation and braking. If the bulge is due to stasis, and if stasis or pain is more pronounced, cold compresses or topical painkillers can be used for spraying.