Lumbar flash, also known as acute lumbar sprain, there is no absolute clinical method of rapid recovery, acute lumbar sprain can be relieved through bed rest, combined with medication, physical therapy and other methods of recovery. 1. Bed rest: After acute lumbar sprain, strictly comply with the requirements of bed rest, do not casually get out of bed activities. If you keep moving, it is easy to cause further damage to the lumbar region. 2. medication: after acute lumbar sprain, patients rest in bed at the same time, with the use of diclofenac sodium and other anti-inflammatory drugs to relieve pain in the lumbar sprain area, take ethylphenidate hydrochloride tablets and other muscarinic drugs to relieve muscle tension. 3. Physical therapy: lumbar sprain after 72 hours can be at home for local hot packs, but also to the regular hospital to receive physical therapy, acupuncture and other physical therapy, through the improvement of blood circulation to promote the recovery of the disease. The use of specific drugs should be correctly taken under the guidance of a doctor, to avoid the adverse effects of private medication.