Coldness in the lower extremities is a deficiency of cold in the body from a Chinese medicine perspective, usually kidney deficiency in men and yin and blood deficiency in women. From the perspective of Western medicine, it is usually caused by peripheral circulation disorders, limb peripheral circulation insufficiency, ischemia and lack of oxygen. The specific treatment methods are as follows four: First, you can apply Chinese medicine for conditioning, which can be applied to improve blood supply and tonify qi and blood. For example, the drugs for replenishing qi include Scutellaria baicalensis, Astragalus, Radix Codonopsis, Radix et Rhodiola; the drugs for replenishing blood include Agaricus, Salvia, Safflower, Rhodiola; the drugs for replenishing kidney can be taken as Cordyceps, etc. If the peripheral circulation is cold and the lower limbs are cold, western medicine can be injected to improve microcirculation, such as injection of prostaglandin. Second, drugs to improve nerve function can be applied, such as vitamin B1, vitamin B6, methylcobalamin. Third, microwave therapy and physical ultrashort wave therapy can also be applied to improve the coldness of the lower limbs. Fourth, you can also apply the physical massage method, all can play a role in improving the lower extremity chills.