Cold legs below the waist are often seen in Chinese medicine as a result of insufficient qi and blood, kidney yang deficiency, cold lower extremities, rheumatism paralysis and other causes. Insufficient qi and blood will lead to a weakening of the warming and nutritive effects, resulting in the symptomatic manifestation of the body being cold and the lower limbs being cold. At the same time will also be accompanied by dizziness, fatigue, panic, shortness of breath and other symptoms of insufficient qi and blood, the treatment of more through the method of qi and blood tonic regulation. Kidney yang deficiency is one of the more common causes of cold legs, kidney yang deficiency can also lead to loss of libido, cold hands and feet, lumbago, frequent urination and other symptoms. The treatment is mostly through the warm tonic kidney yang (warming and replenishing kidney yang) medication. If the weather is cold and the lower limbs are chilled, the legs will be cold. It is necessary to add more clothes and avoid direct air-conditioning to regulate the conditioning in time. By wind, cold, dampness evil attack, the emergence of wind-cold-dampness paralysis (wind, cold, dampness three kinds of evil Qi invasion of the human body leading to paralysis of the limbs) will also appear in the symptoms of cold legs, accompanied by joint pain and other symptoms. It can be treated with Chinese medicines to dispel wind and dampness (to get rid of wind and dampness in the body) and to clear the channels and relieve pain (to clear the channels and relieve pain). If you have cold legs below the waist, you should ask your physician to identify the symptoms and treat them.