Get up in the morning lumbar soreness consider the following reasons: First, lumbar muscle strain, in the mattress is relatively hard because the body has a physiological curvature surface, and the bed surface is flat, easy to lead to local stress at a few points, rather than the whole surface of the body under stress, will lead to a long time between the point and the point of muscle tension, and the cooked sleep state can not feel discomfort, the muscle overnight time has been maintained a posture, awake after Will feel sore and swollen discomfort, up after the activity of symptoms significantly reduced; in the mattress is relatively soft because the bed surface is too soft, the two points can not support the body weight, resulting in the heaviest at a sharp drop, while other parts of the pull, there is continuous muscle tension, a short period of time without feeling, the same overnight time will appear muscle soreness discomfort, so the need to replace the mattress can improve the symptoms. Second, urinary system diseases, especially for urinary lesions resulting in hydronephrosis, prone to lumbar soreness and swelling discomfort. Third, for female patients with uterine adnexitis, due to the stimulation of inflammation, it is also easy to get up in the morning lumbar soreness and discomfort.