Pregnant women with bruises on the legs, in general, the common causes are mainly the following: First, pregnant women during pregnancy, due to the increasing size of the fetus and the uterus, will cause the intra-abdominal pressure rises significantly, the lower extremities of the blood reflux is impeded, which will cause the lower extremities of the local capillary rupture, accompanied by the formation of localized bruises on the legs. At this time, the scope of the bruise is usually small, you can use local ice packs to promote tissue absorption, 24 hours after the use of hot compresses, appropriate massage, to promote the self-subsorption of bruises. Second, if a pregnant woman is accidentally hit by a foreign object on the leg caused by bruising, the range of small can be used to Fu-Ta-Lin and hot omelette external compresses, can promote the faster absorption of bruises. If the bruise is large, in order to avoid local infection, if necessary, the bruise can be cleaned up and drained, completely remove the bruise on the leg.