You can take non-steroidal anti-inflammatory painkillers such as erliximab and ibuprofen for low back and leg pain. The causes of low back and leg pain include overstrain of the muscles of the lower back and legs, lumbar spinal canal disc herniation, and trauma. 1. Lumbar muscle strain and lumbar intervertebral disc herniation caused by low back pain can be used non-steroidal anti-inflammatory painkillers such as Erythroxib, ibuprofen, etc., with massage, massage, acupuncture, hot compresses, and other physiotherapy methods, recuperation for a period of time can be effective in relieving pain symptoms. It should be noted that non-steroidal anti-inflammatory painkillers can cause liver function damage, cardiovascular system damage, gastric ulcers and other side effects, need to be taken under the guidance of a doctor, do not self-medication. 2. If trauma caused by low back pain, it is recommended to go to a regular hospital as soon as possible to improve the relevant imaging examination, to exclude fractures and ligament injuries. Low back pain may also be caused by other reasons, should be timely medical treatment.