Swimming for mild to moderate herniated disc has auxiliary therapeutic significance, swimming to improve the herniated disc is mainly reflected in two aspects: First, to strengthen the lumbar back muscle exercise, swimming is not only for the herniated disc has some auxiliary therapeutic significance, it is for chronic lumbar muscle strain, fasciitis, cervical spondylosis have a certain recovery effect, because in the process of swimming fully exercise the human body’s large joints, such as shoulder, hip, knee In addition, the muscles of the lower back and abdominal muscles are fully exercised, strengthening muscle exercise can effectively stabilize the lumbar spine and relieve pain. Second, in addition to strengthening muscle strength exercise, swimming posture is also conducive to the recovery of lumbar disc herniation, in addition to backstroke other than freestyle, breaststroke, the body down, the abdominal physiological curvature convexity to the front, the buoyancy of the water effect on the intervertebral disc has a certain relief effect. Therefore, mild to moderate disc herniation pain is not serious can be assisted by swimming to exercise, a considerable number of patients through swimming can significantly relieve the symptoms of lumbar pain, for a small number of patients accompanied by lower limb numbness also has a certain alleviating effect.