These drugs are mainly used for local topical application. If acute inflammation occurs in the skin, the above drugs can be applied topically to promote the absorption of local inflammation and improve blood circulation, which can reduce local pain symptoms and control local infection more quickly. Second, beraprost, poppy bases, PEDA, these drugs are mainly used to dilate the body’s arterial vessels, to maintain the smooth flow of blood in the arterial vessels, can reduce the symptoms of local tissue ischemia, hypoxia, mainly for patients with lower limb arterial occlusion. For patients with more serious arterial occlusion, the treatment effect of oral medication alone is not good, if necessary, arterial stent implantation is feasible, which can achieve better treatment effect. Thirdly, blood plugging capsule, mai zhi ling, vincristine and other drugs are mainly used to speed up the venous blood return, to avoid the blood stagnation in the veins, causing local limb swelling or the formation of thrombosis.