1, reduce the lumbar spine weight; 2, strengthen the lumbar spine protection: (1) avoid sitting for a long time, standing for a long time, to prevent “sitting for a long time to hurt the meat, standing for a long time to hurt the bones, walking for a long time to hurt the tendons. (2) when lifting heavy objects from the ground, should bend the knees and squat. Avoid bending over, increasing the burden on the waist. (3) after a long period of bending, not violently straight waist. (4) Sleeping bed should not be soft, should maintain the physiological curvature of the spine. (5) Pay attention to warmth, adapt to the four seasons of climate change, to prevent wind, cold, wet. (6) Avoid excessive mental tension, quit smoking and limit alcohol, and have a regular life. (7) Once acute lumbar sprain occurs, proper rest and timely treatment should be provided. 3, strengthen the lumbar spine functional exercise Reduce the lumbar spine weight-bearing exercise, increase functional exercise. Purposely strengthen the lumbar back muscle exercise, make the muscle strong and powerful, the formation of “muscle waist circumference”, enhance the stability of the lumbar spine, reduce the load of the intervertebral disc. (1) adhere to the pull-ups: single bar, double bar exercises. (2) Exercise the lumbar back muscles: ① Swallow exercise; ② Arch bridge exercise.