Patients with L4~5 bulging should rest in bed and wear orthopedic support to fix the lumbar spine for a short period of time in the acute stage, and exercise in the chronic stage can be chosen such as swallow fly, hanging exercise and swimming. 1. Acute stage (1) Bed rest: when the patient’s lumbar pain symptoms are more intense, it is recommended to take a short bed rest for 2~3 days. (2) Orthopedic braces: wearing a waist cuff can assist the back muscles to play a fixed role in the lumbar spine, but it is not recommended to wear it for a long period of time, depending on the situation, 1 month is appropriate, and a one-time wear no more than 2 hours, so as to avoid the dorsal muscle wasting atrophy. 2.Chronic period (1) Swallow fly: lie down on the hard floor or hardboard bed, gently raise your arms upward, drive your head upward, raise your feet at the same time, continue for 3~5 seconds and then return to the original position, repeat the above action for 5 seconds intervals. This exercise method can be very good exercise lumbar back muscles, applicable to lumbar disc herniation, lumbar spondylolisthesis, lumbar muscle strain. (2) Suspension exercise: you can go to the rehabilitation department of the hospital for professional suspension exercise training, which can better activate and train the local muscles and restore the vitality of the stabilizing muscles. It is suitable for lumbar disc herniation, lumbar spondylolisthesis, lumbar muscle strain and so on. (3) Swimming: the buoyancy of water has a supporting effect on the human body, and the whole body vertebrae will not be compressed when swimming, and at the same time, it can also exercise the strength of the lumbar back muscles, and play the role of fixing the vertebrae, therefore, swimming is a kind of exercise that is the least likely to hurt the vertebrae in most of the modern fitness exercises. Lumbar disc herniation patients who usually want to fitness can choose to swim.