The causes of low back pain include muscle strain, lumbar back myofasciitis, lumbar disc herniation, lumbar spinal stenosis, osteoporosis, spinal tumors, etc. As the causes are more, there is no so-called nemesis. 1. Muscle strain is mostly a dull pain in the muscles of the lower back and legs, soreness and discomfort, treatment is based on bed rest, light diet, massage massage hot compresses and other physiotherapy, recuperation for a period of time will improve. 2. Lumbar dorsal fasciitis is mostly caused by long-term lumbar dorsal muscle strain, can also be combined with infection, pain is mostly tingling, in addition to bed rest, diet and physical therapy, you can follow the doctor’s instructions for oral pain relieving and anti-inflammatory drugs and Erythroxib, ibuprofen, etc., long-term use of medication to pay attention to the occurrence of liver dysfunction, gastric ulcers and other side effects. 3. Lumbar disc herniation and lumbar spinal stenosis will cause nerve root compression, lumbago, sciatic nerve radicular pain and other manifestations, mostly accompanied by numbness and weakness. After bed rest and physical therapy, the pain will be relieved. In serious cases, the patient can go to a regular hospital for surgical treatment under the guidance of a doctor. 4. Osteoporosis and spinal tumor will cause bone loss, and in serious cases, it will cause vertebral fracture, which will cause pain in waist and legs, and it is necessary to go to regular hospitals for treatment and rehabilitation under doctor’s guidance. It is recommended that patients go to regular hospitals to improve the relevant imaging examinations such as X-ray film, CT, MRI, etc., to clarify the cause of the disease and treat the symptoms.