A common cause of pain in the muscular region of the lumbar spine is suffering from lumbar myofibrositis, which is often caused by bending over and bearing weight, overwork, and exposure to cold. Prolonged stooping and weight bearing puts the lumbar muscles in a state of prolonged stretching, producing pain. Acute sprains cause the lumbar muscle fibers to be violently stretched causing tears, which can also cause pain. Lumbar cold is also a common cause of lumbar muscle pain, cold stimulation will cause lumbar muscle area of vascular contraction, spasm, blood flow is reduced, tissue ischemia, hypoxia pain, while metabolites can not be dissipated in a timely manner, the local aggregation, but also aggravate the pain. For the above causes of pain in the lumbar muscle region, treatment should pay attention to rest, avoid bending and weight bearing, avoid prolonged sitting and standing, at the same time, should pay attention to lumbar warmth, avoid being cold, wear a waist cushion for protection.