Pillow cushion waist will lead to lumbar pain, the reasons are as follows: first, the height of the pillow is not suitable, cushion waist pillow height if too high will lead to excessive forward bending of the lumbar vertebrae, lumbar muscles in a passive squeeze and tension, a long time will appear lumbar muscle pain, such as the height is too low, can not achieve the role of lumbar support; second, the pillow hardness is not suitable, cushion waist pillow if the hardness is too hard will be on the lumbar Muscles and lumbar ligaments cause direct damage, resulting in muscle, ligament inflammation and strain, thus causing lumbar pain, if the hardness is too soft, also can not achieve the role of lumbar support; third, the lumbar pillow used non-custom, can not adapt to the curve of each person’s waist, so it will lead to lumbar pain.