There are many reasons for pain in the middle of the chest, the specific analysis is as follows: 1, trauma to the middle of the chest, such as collisions, fights or knife wounds resulting in injuries to the middle of the chest. If there is no wound, no fracture can be massaged, put on the ointment to activate blood circulation and remove blood stasis, if there is a wound, pay attention to hemostasis and anti-infection. 2, sternal fracture, if accidentally lead to fracture, if the fracture reset fixation, to prevent deformation healing. 3, subcutaneous lymphadenitis, inflammation stimulation will appear lymph node enlargement, pain, swollen lymph nodes can move, and there is no adhesion with the surrounding tissue, can be carried out If the swollen lymph nodes are mobile and not adherent to the surrounding tissues, they can be infused with anti-inflammatory fluids and need to be examined to see if the swollen lymph nodes are cancer metastases, and if so, anti-cancer treatment is needed. 4.