Cold ankle common cold, degenerative osteoarthritis and other reasons, specific as follows: First, cold: the surrounding environment temperature is too low, and the clothing worn is too little, the ankle joint is cold, causing pain symptoms. Second, degenerative osteoarthritis: degenerative osteoarthritis occurs in the foot and wrist joints, the patient will have serious osteophytes, joint surface damage, inflammation exists in the joints, the patient will also have the symptom of coldness in the foot and wrist joints. Through X-ray examination, it can be found that the joint space of the foot and wrist is narrowed, and the MRI examination can show the large-scale peeling of the cartilage of the foot and wrist joints. Third, the lower limb arterial blood supply is insufficient: the patient suffers from vascular disease, diabetes, etc., can lead to insufficient blood supply to the ankle joints, the patient will have the clinical symptoms of cold ankle joints, and at the same time there will be a feeling of acidity and swelling, ankle joints, weakness. Therefore, the cause of cold ankle joints should be clarified and actively treated.