When patients have the symptom of cooling their backs by blowing air conditioners, it may be caused by physiological factors, or it may be caused by lumbar muscle strain, lumbar disc herniation and other diseases, with different etiologies and different treatment methods. Commonly used treatments are general treatment, physical therapy, medication and so on. 1. Physiological factors: the patient may blow air-conditioning for a long time to make the lumbar cold, resulting in lumbar vasospasm, and the lumbar blood circulation is affected, causing lumbar discomfort. Patients should pay attention to local warmth and avoid direct air-conditioning. You can also take a hot bath to promote sweat, can effectively relieve the symptoms of blowing air conditioning cool waist. 2. Lumbar muscle strain: When patients suffer from lumbar muscle strain, lumbar blowing air conditioning after the cold, resulting in lumbar muscle spasms and capillary contraction is affected, ultimately causing the symptoms of lumbar pain. It is recommended that patients use massage, acupuncture and other physical therapy methods of treatment, through the relief of lumbar muscle spasms, can relieve the symptoms of air conditioning cool waist. 3. Lumbar disc herniation: when the patient suffers from lumbar disc herniation, blowing air-conditioning lumbar cold, lumbar blood circulation is weakened, easy to cause lumbar pain. You can use oral non-steroidal anti-inflammatory painkillers, such as diclofenac sodium and other drugs. Pain can be relieved through medication. If the patient has the symptom of blowing air-conditioning cool waist, it may also be due to lumbar degeneration and other diseases, and blowing air-conditioning waist cold may also aggravate these diseases. It is recommended that patients consult a doctor in time to clarify the cause of the disease and follow the doctor’s instructions for standardized treatment. The use of the above drugs need to comply with medical advice.