After breaking the foot on the back of the foot grew a bulge, you can use the following methods to deal with: first, local compresses of drugs, you can use the big live pills crushed, plus wine and vinegar, compresses in the bulge of the part, a day a change. Secondly, cold compresses can be used, using a towel wrapped in ice to apply cold compresses locally. Third, braking, you can use a plaster on the soles of the feet of the parts of the cast, fixed local, waiting for the absorption of local bulging bag of blood, can also be eliminated. Fourth, larger bags, you can also use a thick needle to suck out the blood, can quickly eliminate the bulge.