The most common clinical cause of back tightness is muscle strain in the back, such as frequent desk work, prolonged sitting, and frequent long-distance driving, such as cab drivers, as well as prolonged bending, housework, and labor, all of which can easily cause inflammation of the lumbar back fascia and strain of the lumbar back muscles. When the muscles of the low back are strained, muscle spasms can occur, which can lead to a feeling of back stiffness and decreased spinal mobility. In this case, we must correct the bad habits and work habits, rest on a hard bed, and at the same time can be combined with heat, physical therapy, massage methods to relieve muscle spasm, more serious symptoms of patients, you can use non-steroidal anti-inflammatory drugs and muscle relaxation drugs to symptomatic treatment.