Cold legs can be classified as “pain paralysis” in Chinese medicine, and can be treated with Chinese medicine or acupuncture under the guidance of a physician. The common symptoms of pain paralysis are cold pain in the joints of the limbs, pain in a fixed place, unfavorable joint flexion and extension (abnormal function of joint extension and bending), local skin or cold sensation, pain in the cold, pain in the heat to reduce pain, and so on. It can be treated by warming the meridians and dispersing cold (warming the meridians of the human body to get rid of the cold in the body), and dispelling wind and removing dampness (getting rid of the wind and dampness in the body) after identification by the physician. The commonly used formula is Wu Tou Tang. Its adverse effects are not clear, and it is contraindicated for those who are allergic to aconite and used with caution in pregnant women. It can also be treated by professional acupuncturists using acupuncture, with commonly used points such as Yanglingquan, Calvary, Sea of Blood, Chengshan, Feiyang and so on. In daily life, we should pay attention to prevent cold and keep warm, and carry out functional exercises appropriately. If there is any discomfort, please consult a doctor in time, do not treat yourself, so as not to cause adverse consequences.