Swimming does not cause low back pain, on the contrary, swimming has a certain relief effect on low back pain. If lumbago occurs after swimming, it is usually the result of local warm-up exercises that were not performed in time before swimming. Swimming can relieve the weight of the waist, especially for some obese or elderly patients, it can improve the blood circulation of the whole body, improve the coordination of the distribution of lumbar muscle strength, so as to achieve a relief effect of low back pain, especially for some patients with lumbar disc herniation, not suitable for some walking exercises, such as running, jumping, etc., at this time we often recommend patients to carry out some swimming exercises, but The effect on lumbar pain is obvious, especially when some middle-aged and elderly patients have early lumbar pain, we generally recommend patients to swim exercise.