The vague pain over the middle of the chest is not only caused by mediastinal occupancy, but also by thymic diseases, such as thymic hyperplasia or thymic tumors, and anterior mediastinal cysts, which can cause pain and aggravate the symptoms after activity. Then there are also some patients due to functional diseases, including costochondritis, which mainly occurs in the anterior chest, especially in the area where the ribs and sternum are connected, after exertion, trauma, can also trigger the emergence of local pain, you can choose the method of local heat compress, or oral pain medication, commonly used drugs are Nimesulide dispersible tablets, or oral diclofenac, etc., pay attention to regular checkups. It is important to have regular checkups.