With medication foot soak can eliminate edema, commonly used drugs can choose angelica, safflower, chuanxiong and other blood stasis drugs, but also can choose astragalus, ginseng, gui zhi and other qi and warming drugs, but also can choose fine Xin, Wu Zhu, ginger and other warming drugs to dissipate the cold yang. In addition, you can also use drugs that relax the tendons and activate the collaterals, disperse cold and remove dampness, such as the choice of chicken blood vine, Qing Feng Teng, Hai Feng Teng, or add Qiang Wu, Duhuo and so on. These drugs can not be used alone, need to be used in combination, put together and decocted with medicinal water with warm water foot soak. Foot soaking to eliminate edema is not applicable to all edema, applicable to the lower extremities of the venous reflux is not good, or spleen and kidney Yang deficiency type of edema patients. Meridians and feet have a close connection, such as the foot Shaoyin kidney meridian, foot solar bladder meridian, foot Taiyin spleen meridian, foot Yangming stomach meridian, foot syncope yin liver meridian, foot Shaoyang gallbladder meridian, the six meridians is a mutual relationship, a yin and a yang with each other. In addition, the eight meridians in the yin stilt vein, Yang stilt vein, yinwei vein, yangwei vein also from the feet to start circulating, so soaking the feet can play a traffic yin and yang, to get rid of diseases and health effects.