Sciatica can swim, swimming is a non-weight bearing functional exercise, and when swimming, the muscles and joints of the whole body are exercised. Especially for patients with lumbar disc herniation, swimming both exercises the lumbar back muscles and does not aggravate the protrusion of the disc, which is most beneficial to sciatica caused by lumbar disc herniation, the following points should be noted when swimming: first, the water temperature should not be too cold, too cold wind-cold dampness will invade the muscles, resulting in muscle spasm contraction, which will stimulate sciatica pain aggravation. Second, the amount of activity to master, acute sciatica intense, to reduce the amount of activity, chronic sciatic pain can gradually increase the amount of activity, swimming for 40-50 minutes each time.