”Foot bath” is the use of the meridians and physiological principles of the foot, according to the theory of identification of Chinese medicine treatment, to clear heat and detoxification, blood circulation and remove blood stasis as the method, through fumigation, hot ironing and other methods, the use of skin penetration function, promote the absorption of Chinese medicine, so as to regulate the balance of the internal organs and circulation of Qi and blood, to achieve pain relief, reduce exudation, improve edema, and The purpose is to relieve pain, reduce exudation, improve edema and promote wound healing. After decades of clinical research, it is proved that Chinese medicine foot bath can effectively control the progress of lower limb-related diseases, improve the symptoms of limb ischemia, promote the establishment of collateral circulation, promote wound healing, and significantly reduce the plane of amputation.