Full back pain is commonly caused by the following reasons: first, lumbar muscle strain, frequent lumbar muscle flexion and extension activities for a long time or excessive weight bearing of the lumbar spine can cause accumulative injury to the lumbar muscles and inflammatory changes such as congestion and edema inside the muscles, resulting in lumbar muscle strain, which is clinically manifested as lumbar pain and limited lumbar flexion activities, and after bed rest, local massage and physical therapy, the pain symptoms can be relieved in 1 After bed rest, local massage and physiotherapy, the pain symptoms can be relieved in 1 – 2 weeks; secondly, the lumbar muscle tension and stiffness caused by cold and moisture in the lumbar area, resulting in lumbar pain symptoms, after continuous hot compress and warmth treatment to the lumbar area, the lumbar pain symptoms can be gradually relieved, usually strengthen the strength and intensity training of the lumbar back muscles and pay attention to the lumbar area to keep warm, which can prevent the lumbar pain symptoms.