Low back pain like cramps may be caused by muscle spasms in the lower back due to long time in one position or long time repetition of a certain action. In this case, first of all, we should actively pay attention to rest, strengthen the warmth, avoid getting cold, correct the body posture, avoid a long time a posture, you can local hot compress, sleep on a hard bed, gentle massage, avoid violence. Local use of flurbiprofen babu cream, oral anti-inflammatory and analgesic drug loxoprofen sodium. In addition, you should also exclude whether there is a lumbar disc protrusion caused by. A herniated disc can cause changes in pressure in the spinal canal, which can be reflected to the lumbar region through some nerves, causing pain in the lumbar region like a cramp. This situation needs to improve the lumbar spine MRI examination, you can use mannitol injection, dehydration and swelling treatment, anti-inflammatory and analgesic drug treatment, such as diclofenac sodium, nerve-nourishing drug treatment methylcobalamin capsule. In addition, some local viral infectious diseases, such as herpes zoster infection to the local nerve, can also cause back pain, like cramps.