Air conditioning blowing leg pain, may be due to the lower extremities of the cold and rheumatoid arthritis and other reasons, you can use hot compresses, foot soak and medication and other ways of treatment. 1. Cold lower extremities: you can apply hot compresses to the painful areas to promote blood circulation and relieve pain symptoms. You can also use warm water to soak your feet to promote blood circulation in the whole foot and relieve the pain. 2. Rheumatoid arthritis: If you suffer from rheumatoid arthritis, you may experience leg pain when blowing the air conditioner, and you can take non-steroidal anti-inflammatory drugs such as diclofenac sodium to relieve the pain and achieve therapeutic effects. If the air conditioning blowing leg pain, may also be due to rheumatoid arthritis and other reasons, should go to the hospital in time for examination and treatment.