The most common reasons for standing is lumbar muscle strain, lumbar intervertebral disc herniation, osteophytes and so on. 1. Lumbar muscle strain: if the patient long-term heavy work or long standing, it is easy to cause lumbar muscle strain, standing may aggravate muscle strain, and then appear lumbar pain. 2. Herniated lumbar intervertebral disc: If the patient has a herniated lumbar intervertebral disc, the herniated intervertebral disc compresses the surrounding soft tissues, which will produce pain in and around the lumbar region, and standing for a long time may also induce lumbar soreness. 3. Osteomalacia: Osteomalacia is usually associated with long-term extrusion, friction and other factors, in the lumbar region of the normal bone edge of the formation of bony hyperplasia, standing for a long time may cause bone spurs in contact with the surrounding soft tissues to appear soreness. Caused by standing old back pain causes more, if the symptoms are not relieved after rest, it is recommended to go to the hospital in time to identify the cause of the disease, the doctor targeted treatment.