Lumbar disc herniation patients should put a cushion behind the chair, this is because after the lumbar disc herniation it has a symptom, it is called the lumbar spine physiological curvature becomes smaller, straighter, and even anti-arch. The reason is that the herniated disc stimulates the nerve, a protective posture of the patient, in this posture the patient feels comfortable and less painful, so there is a back arch and straightening of the lumbar region, which is detrimental to the recovery of the intervertebral disc. Therefore, it is best to put cushions on the lumbar area when the patient is sitting, the lumbar support can reduce pain, long time cushion can make the physiological curvature of the lumbar spine to recover, after recovering to the normal angle, it will no longer cause pressure on the nerve root, the patient’s back and leg pain symptoms are also relieved.