Flash to the waist clinically known as acute lumbar sprain, first of all should immediately bed rest, and then through medication and physical therapy to reduce the symptoms of pain in the lower back, such as symptoms do not relieve the cause should be identified in a timely manner, to give targeted treatment, the need for surgical treatment. 1. Bed rest: acute lumbar sprain pain is severe, should be bed rest, strict lumbar braking, if you need to get out of bed, you need to wear a lumbar support or waist circumference. 2. Medication: analgesic drugs should be taken under the guidance of a doctor, usually using non-steroidal drugs, such as ibuprofen, diclofenac sodium and other oral medications, as well as flurbiprofen Babu Cream topical patch, which can effectively relieve the pain. 3. Physiotherapy: Within 72 hours of acute lumbar sprain, local cold compresses can be applied to reduce soft tissue swelling and oozing caused by lumbar sprain, and hot compresses, as well as ultrashort wave, infrared and other physiotherapy modalities can be applied after 72 hours to promote blood circulation and relax the surrounding muscles. 4. Surgery: If the pain continues to be unrelieved, lumbar spine pathology such as lumbar spine fracture and lumbar disc herniation should be considered, and timely hospital examination should be carried out to make a clear diagnosis, and surgical treatment may be required if necessary. Flash to the waist after the discomfort symptoms, it is recommended that the patient timely hospital consultation, clear cause for standardized treatment, so as not to delay the condition.