Soaking feet numbness, may be due to the following several reasons: 1, is due to prolonged sitting and standing, many patients in the foot soaking habit for a long time. In the process of sitting for a long time, may make the lower limbs part of the blood vessels are squeezed, twisted, this will cause the foot ischemia and lead to foot numbness. 2, is due to the existence of vascular disease in the foot caused by, for example, in the foot there is a small artery embolism or complete occlusion, it may cause the foot ischemia. This kind of patients in the foot soak due to the foot temperature, so that its internal oxygen consumption greatly increased, which will make the ischemic symptoms more obvious and then produce numbness. 3, may also be due to the foot soak water too hot, some patients in the foot soak used to make the foot soak water hotter. At this time may produce slight or delayed burns. Once such injury is produced, it will cause damage to the superficial sensory nerves of the foot, which in turn leads to sensory numbness.