Acute lumbar sprain specific need to rest how long, and the severity of the lumbar sprain related, mild may be possible 1 week to recover, serious may need to bed 4-6 weeks. Generally mild lumbar sprain patients only have local pain, and no obvious activity restrictions, this situation as long as the usual attention to proper rest, avoid bad posture or strenuous exercise, 1 week or so will be significantly improved. If the symptoms of acute lumbar sprain are serious, with local swelling and activity limitation, bed rest is required, usually 1-2 weeks of bed rest. If the sprain involves ligaments or even leads to fractures of the spinous process or transverse process, absolute bed rest is required for 4-6 weeks, and the fracture is stabilized before gradually getting out of bed and carrying out rehabilitation training. In addition, for patients with lumbar sprains, in addition to emphasizing rest, attention should be paid to standardized treatment. Early sprained parts can be properly cold compressed, and hot compresses can be started 2 days after the injury; patients can also choose some blood circulation herbs for internal or external use to promote recovery from sprains.