The lower back is one of the most problematic areas of the body. Most people experience low back pain at various stages of their original life. It can last from a few days to years, and it can even be prolonged. The amount of money people spend on low back pain treatment is staggering. The annual cost of treating low back pain in the United States is as much as $50 billion. Lumbar disc herniation is a common back and leg pain disease, by the original lumbar disc degeneration based on the rupture of the fibrous ring, the nucleus pulposus protrudes to compress the spinal cord and nerve roots, to make the nerve roots congestion edema, adhesions, degeneration, especially the sciatic nerve and cauda equina nerve damage is common, while the lumbar disc prolapse can make the vertebral space smaller, disrupting the original balance of the spine, causing back and leg numbness and pain or sensory impairment. The best bed medium hardness for people with low back pain The treatment of lumbar disc herniation mainly originates from readjusting the force distribution of the functional units of the spine and promoting the restoration and replacement of the internal and external mechanical balance of the spine, so as to achieve the purpose of cure. The current rehabilitation treatment is comprehensive. Such as appropriate braking (rest on a hard bed), lumbar traction, manual massage and various physical therapy. The purpose is to relax the lumbosacral muscles, so that the internal pressure of the intervertebral disc is at its lowest state, which is conducive to the repatriation of the protrusions and the repair of the intervertebral disc fiber ring, as well as to reduce pain, consolidate the comprehensive treatment effect, promote early recovery of the disease and reduce recurrence. However, after sleeping on a hard bed, many patients find that their bodies do not adapt to it. And due to the long time sleeping position fixed leading to certain parts of the muscle group tension, fatigue and even twin contraction, resulting in shoulder and back discomfort, pain, sleep difficulties, often accompanied by dizziness, headache. These have a great negative impact on the patient’s spirit and psychology, thus affecting recovery. Cases of improper postural treatment affecting the therapeutic effect have been reported in both domestic and international literature. The human spine has four physiological curves, and the body can get good rest by sleeping on a bed of the right hardness. And long time to sleep on a hard bed, can lead to the original sleep physiological bend can not be relaxed, and people asleep, a long time to maintain a posture, the body and the bed parallel, resulting in the lumbar tendons for a long time to maintain tension, leading to the morning back pain symptoms. So too soft and hard bed body are not good. The lumbar pain or has been the existence of lumbar disease patients, the most can reduce lumbar pain mattress for medium hardness, rather than the hard board level hardness that people often say. Because of its hard board level mattress can strongly support the whole body, but its hardness is not conducive to the mattress itself and the natural curvature of the human spine to produce a good fit between. In addition, a small pillow under the waist, the recovery of back pain is also more helpful. Why medium hardness mattress can improve lumbago because when resting supine, the lumbar vertebrae convex suspension, only the thoracic back, hip sacral vertebrae convex contact bed, the role of gravity and abdominal organs of compression, so that the waist has a tendency to sag, lumbar back muscles, ligaments, fascia tension, while the ventral muscles ligaments fascia relatively relaxed; when resting in the prone position, the sternum, the front of the ribs and the front of the pubic bone contact bed, and the lumbar vertebrae suspended in Air, gravity makes the lumbar dorsal muscles, ligaments, fascia relaxation. If the prone and supine position alternate positions and sleep, so that the lumbar dorsal side, ventral muscles, ligaments, fascia alternate tension and relaxation, equivalent to do light prone supine lumbar activities.