Patients with cold and painful knees may suffer from cold or degeneration of the knee and synovitis, which can cause significant cold and pain in the knee, especially after getting cold. It is important to keep your knee warm and avoid prolonged air conditioning and fans in the summer to avoid aggravating the painful symptoms. You can do more hot compresses on the knee area to relieve the symptoms of knee pain caused by cold, which has a good effect. You can also apply moxibustion treatment to promote the recovery of cold knee symptoms, and if you have time, you can also do sweat and sauna, which also have a good effect on the relief of symptoms.