Chinese medicine believes that old cold leg is due to wind, cold, damp three evil invasion of the human muscle surface meridians, so that the movement of qi and blood is not smooth, so the typical performance of old cold leg is also very obvious, is the old cold leg affected in the cold environment, the more painful legs. From the perspective of modern medicine, old cold leg can be called osteoarthritis or rheumatoid arthritis, in addition to the typical symptoms, patients are usually accompanied by heavy, numb feeling in the legs, or joint flexion and extension, stiffness, enlargement, deformation and movement disorders. The clinical treatment for cold leg is relatively diverse, and the specific treatment plan for each individual should be decided by the clinician.1. Medication: including analgesic drugs such as ibuprofen, diclofenac and other non-steroidal anti-inflammatory drugs for rapid pain relief, drugs to promote cartilage repair such as glucosamine to promote cartilage repair and reconstruction, and bone nutritional supplements such as chondroitin sulfate to reduce cartilage tissue damage. In addition, you can also choose Chinese medicine such as Zhengqing wind pain Ning capsule, Fengui bone pain capsule, etc., which is usually beneficial to relieve joint pain and other discomfort; 2. symptoms. Sodium hyaluronate can also be injected into the joint cavity to lubricate the joint, protect the joint cartilage and relieve the pain. For those who cannot tolerate NSAID treatment, persistent pain and inflammation, glucocorticoids can be injected into the joint cavity, and some serious patients can also be treated by surgery. In addition to the above treatment, the old cold leg also needs to pay attention to the care in daily life. First of all, we should pay attention to the cold and keep warm, to avoid the discomfort of the legs caused by the cold stimulation. In addition, we should improve our poor living and working habits, avoid a lot of jumping and squatting exercises, less climbing stairs to reduce the wear and tear of bone and joint, and can moderate jogging, gymnastics and other exercises.