How to deal with leg injury swelling, leg whether by contusion, sprain or strain, this closed, no bleeding and skin breakage of the injury resulting in local swelling, need to be local cold compresses, or the use of blood cooling spray for external use, can effectively eliminate the local swelling. At the same time should try to elevate the leg above the heart, can promote the venous return of the leg, so that the leg blood circulation more smoothly, so that the local exudation as well as swelling can be absorbed quickly, but also can reduce the internal pressure, thus reducing pain. If the bleeding and swelling are caused by a localized cut or sharp instrument, hemostatic sutures should be performed promptly, and other serious injuries should be excluded to relieve the swelling. Local swelling due to injury can be treated with oral horse chestnut seed extract tablets to reduce swelling, together with ibuprofen extended-release capsules and Chinese herbal medicines to activate blood stasis and reduce swelling, which can promote the absorption of swelling.