There are many causes of lumbar disc herniation in young people, the specific reasons are as follows: 1, bad habits, such as sedentary office, or work requires a long time to maintain a posture, there will be back pain, leg numbness, sciatica and a series of symptoms. So sedentary young people should get up and move around more to prevent problems before they happen, and do some lumbar back muscle training. 2, trauma leading to lumbar disc protrusion, can be corrected through minimally invasive surgery. 3, genetically caused, need to be prevented from under, do not be sedentary, more exercise. 4, congenital lumbar disc protrusion, at the time of discovery need to be surgically corrected. 5, lumbar disc repair ability is poor, the intervertebral disc in 6, sudden weight bearing, pregnancy and cold may lead to the appearance of lumbar disc protrusion.