Sleeping latex mattress can effectively prevent back pain, however, back pain usually has two reasons: First, due to sleep at night, the back of the back of the cold, such as blowing air conditioning, fans and convection of doors and windows, or at night when the back of the waist clothing cover less, resulting in a drop in temperature, and muscle tissue tension, blood circulation slowed down, resulting in local inflammatory metabolism The symptoms of soreness will occur after the accumulation and increase of metabolic products such as lactic acid and other metabolic products, which will stimulate the peripheral nerves. Second, usually due to sleeping with an inappropriate pillow, such as pillows too high, too low, resulting in compensatory fatigue of the muscles of the low back, which will also lead to excessive tension and fatigue of muscle tissue to form a strain injury, metabolites will also stimulate the peripheral nerve symptoms of pain.