Summer air-conditioning waist swelling pain should be based on different reasons for different treatments, common causes of excessive air-conditioning, lumbar muscle strain, lumbar disc herniation, etc., the treatment method has medication, physical therapy, surgical treatment. 1. Excessive air-conditioning: air-conditioning temperature is too low, air-conditioning time is too long, air-conditioning blowing directly on the waist and other reasons can cause lumbar distension and pain, you should reduce the time of air-conditioning, to avoid the temperature is too low and blowing directly, generally can be relieved. 2. Lumbar muscle strain: lumbar muscle strain can be manifested as lumbar pain or swelling after blowing air conditioning, which can be relieved by physical therapy, hot compresses, oral celecoxib and other non-steroidal anti-inflammatory and analgesic drugs, or closed treatment. 3. Herniated lumbar disc: Herniated lumbar disc can cause pain in the lower back after getting cold, generally through resting, sleeping in a hard bed, oral celecoxib and other non-steroidal anti-inflammatory and analgesic drugs, physical therapy and other methods to relieve the symptoms, and if the condition of herniated lumbar disc is serious, it is necessary to carry out surgical treatment. All of the above treatments and medications should be administered under a doctor’s supervision. Summer air-conditioning back pain may also be caused by other reasons, if the pain can not be relieved or the pain is severe, you should go to the hospital in a timely manner to identify the cause and targeted treatment.