Acute period is not recommended exercise, bed rest is the main, remission period is mainly to do lumbar back muscle exercise , the method is as follows: 1, 5-point support method: lying flat on a hard bed, with the head, feet, elbows 5-point support, the hips will be lifted, hips as high as possible. Hold for 10 seconds, repeat 20 times / group, 2-3 groups / day. 2.3-point support method: lie flat on a hard bed, use your head and feet 3-point support, lift your hips up and lift your hips as high as possible. Hold for 10 seconds, repeat 20 times / group, 2-3 groups / day. 3, 4-point support method: that is, the arch bridge support method lying flat on a hard bed, with hands and feet to support the body all the way up, in the shape of an arch bridge. Hold for 10 seconds, repeat 20 times / group, 2-3 groups / day. 4, swallow point water method: prone and hard bed, head, double upper limbs, double lower limbs back extension, abdominal contact with the bed area as small as possible, in the shape of a swallow. Hold for 10 seconds, repeat 20 times / group, 2-3 groups / day. Note that severe lumbar fracture is an unstable fracture, and the lumbar back muscle exercise should be performed appropriately so that the fracture can obtain a certain degree of reset, and finally get out of bed with a support such as a lumbar brace. The above methods should be done gradually and not too fast.