Often, lying down and playing with a cell phone may lead to thoracic spine pain. The main reason is that when lying down to play the cell phone, the hand needs to support the cell phone, can appear side lying situation. And because the thoracic vertebrae are located in the thoracic section of the spine and are involved in supporting the ribs and making up the thorax, prolonged lying on the side can compress the ribs as well as the thorax to the thoracic vertebrae to gather, resulting in pain. Therefore, lying down and playing cell phone may lead to the phenomenon of thoracic spine pain. In addition, it is recommended to sit and stand to look at the cell phone and avoid lying on the side for a long time to look at the cell phone. You can keep changing your position to relieve the pain. If the pain has not been relieved, then you should go to the hospital in time, do the relevant examination to clarify the cause of the disease, and then follow the doctor’s instructions for treatment to avoid delaying the condition.