Shijiazhuang Junwei Healthcare Equipment Co., Ltd. production of medical equipment "portable lumbar spine support traction physiotherapy and rehabilitation (advertisement labeling name: benefit body light lumbar disc herniation treatment device)", Hebei Food and Drug Administration Measures (quasi) word 2013 No. 2260144, the scope of application of its approved products as follows "Lumbar disc herniation caused by lumbar leg pain, limb numbness, activity dysfunction and other conditions. And it can be used for the support and protection of lumbar soft tissue injury". The advertisement claimed that "before going to bed at night, use Yisheng light treatment for 30 minutes, the compression will soon be eliminated, and the next morning, you will find that your back and legs do not hurt and numb. Insist on the use of more than two months, you will find that sedentary, bending, walking do not hurt, most of the lumbar protrusion can get good treatment.