Lower back pain must use three kinds of drugs lack of certain scientific basis, is not accurate enough. Low back pain can be caused according to the cause of the application of non-steroidal painkillers, nutritive nerve drugs, dehydration drugs, antispasmodic drugs and antibiotics, etc., the common causes of excessive exercise, lumbar spine disease, urinary diseases, gynecological diseases, etc., need to be the cause of the line of drug therapy. Excessive lumbar exercise or overexertion can cause physiological pain in the lumbar region, which can be relieved after resting and does not require special medication. For lumbar disc herniation, lumbar spinal stenosis and other lumbar spine diseases, oral celecoxib and other non-steroidal painkillers, methylcobalamin and other nutritive nerve drugs, as well as mannitol injections and other dehydrating drugs for dehydration, swelling treatment. For kidney stones, ureteral stones and other urinary system diseases, oral scopolamine and other antispasmodic drugs to relieve renal colic, reduce ureteral edema, conducive to stone discharge. For pelvic inflammation and other gynecological diseases caused by, oral ibuprofen and other non-steroidal pain relievers for pain as well as ofloxacin and other antibiotic drugs to control infection. There are many other causes of back pain, such as trauma, tumors, etc., if the rest does not relieve, it is recommended to go to the regular hospital in time to improve the examination to clarify the cause of the disease, standardized treatment under the guidance of the doctor, do not blindly self-medication, so as not to delay the condition.