Back pain occurs in the morning after waking up, but the pain is relieved by moving around after getting up for a while. The following causes are common: 1, mattress or bed board problems, sometimes the bed board is too hard or mattress is too soft, when sleeping, the back muscles must be long-term force to maintain the correct position, thus appearing strain pain, but after getting up and moving the muscles to relax, the pain will naturally ease, this situation must be replaced mattress or bed board to solve the fundamental problem. 2, there may be The back muscles of the back are cold when sleeping, as the muscles of the back will contract after the cold, resulting in poor local blood circulation and bloody pain. 3. diseases such as ankylosing spondylitis need to be excluded.