There is no such thing as the best drug for treating back pain in the clinic. Patients should first clarify the cause of the disease, and then choose the appropriate drugs according to the cause of the disease, not blindly use drugs. The general causes of back pain are lumbar disc herniation, lumbar muscle strain, genitourinary system diseases and other diseases. Different diseases use different drugs. 1. Herniated lumbar disc: If the lumbar pain caused by it is more obvious, you can choose to eat some non-steroidal anti-inflammatory drugs, such as ibuprofen, celecoxib and so on to alleviate the symptoms of lumbar pain. And put diclofenac diethylamide ointment on the place of lumbar pain to relieve the pain. 2. Lumbar muscle strain: It is caused by acute sprains of the waist, long-term repeated high intensity loads and other reasons, resulting in low back pain. You can take non-steroidal anti-inflammatory drugs, such as acetic clofenac, diclofenac and so on to relieve the pain, and pay attention to daily lumbar warmth, avoid lifting heavy objects. 3. Genitourinary system injury: Genitourinary system injury, urinary tract infection, resulting in back pain. Patients can be under the guidance of the doctor, the rational use of anti-infective drugs for treatment, such as ciprofloxacin capsules, doxycycline capsules and other drugs, so as to improve the situation of back pain. There are many other diseases that cause low back pain, including herpes zoster and lumbar spine tumors, etc. Patients with prolonged low back pain and poor results of conservative treatment should go to a regular hospital in time. Low back pain patients need to pay attention to the daily care of the waist, reduce the damage to the waist.