Lumbar discomfort indescribable feeling, may be the existence of soreness and pain and other symptoms, may be overwork, lumbar muscle strain, lumbar disc herniation, lumbar spine osteoporosis and other factors. 1. Overwork: prolonged over-bending work without reasonable rest may lead to the accumulation of lactic acid metabolites in the lumbar muscles, which will lead to symptoms of lumbar discomfort, manifested as soreness and pain. 2. Lumbar muscle strain: when there is chronic strain in the lumbar muscles, due to local aseptic inflammation, causing irritation to the local tissues, which will lead to lumbar discomfort, and when pressed with the hand, there will be obvious local pressure points. 3. Lumbar intervertebral disc herniation: Suffering from lumbar intervertebral disc herniation, the protruding intervertebral discs may cause compression of the nerves, which will make the lumbar discomfort, manifested as lumbar pain, soreness and swelling, lower extremity radiating pain, and numbness of the lower extremities. 4. Lumbar spine osteoporosis: After ageing, you may suffer from lumbar spine osteoporosis, which leads to a decrease in the loading capacity of the lumbar region, and you will often experience the symptoms of lumbar discomfort, which can be characterized by lumbar soreness and swelling, and in severe cases, it can also lead to lumbar compression fracture. It is recommended to go to the orthopedic department of the hospital for appropriate examination and treatment if the symptoms of lumbar discomfort exist for a long time.