Cold legs in winter may be related to cold, lower limb blood circulation disorder, varicose veins of lower limb, etc. Symptoms can be relieved by life management, increasing exercise, physical therapy and medication. 1. Cold: It may be that the clothing worn in winter is less, which leads to coldness, causing wind-cold and cold, and the phenomenon of cold legs occurs. Pay attention to keep warm and increase clothing to prevent cold legs. You can also increase outdoor exercise to improve your resistance. 2. Lower extremity blood circulation disorder: winter weather is cold, the human body blood vessel contraction diastolic reflux function is weakened, resulting in lower extremity blood circulation disorder, the phenomenon of cold legs. You can soak your feet and legs in hot water or irradiate your legs with infrared baking lamp to raise the temperature of your legs, expand blood vessels, accelerate blood circulation in your feet and legs, drive away the cold, promote the body’s metabolism, accelerate the blood delivery to the endings of your feet, and improve the symptoms. 3. Varicose veins of the lower limbs: Varicose veins of the lower limbs caused by standing or squatting work for a long time, or hereditary and other factors, may also appear as a phenomenon of cold legs in winter. Patients can wear compression therapy by wearing compression stockings and elastic bandages to promote venous blood circulation. Vein-active drugs such as diosmin and bicuculline can also be taken orally to relieve symptoms. It is recommended to use medication under the guidance of a doctor, not blindly self-medication to avoid adverse effects. If the above symptoms occur, it is recommended to go to a regular hospital in time for early and regular treatment.