There are many clinical causes of pain when pressing in the middle of the sternum: 1, seen in inflammation of the rib cartilage, which can be unilateral pain or bilateral pain, mostly in the junction of the sternum and rib cage with obvious pressure pain, and in severe cases, radiating to the back of the shoulder and the axilla. These patients have a history of thoracic trauma surgery, upper respiratory tract infection, and chronic strain injury. 2, seen in respiratory diseases, especially chronic cough caused by respiratory diseases, chest pain caused by coughing for a longer period of time, will be significantly aggravated when pressing the sternum. 3, seen in gastrointestinal diseases, like reflux esophagitis in the attack on the esophagus to produce stimulation, there will also be significant pain when pressing the sternum. If there is no obvious cause for the frequent pain in this position, you need to go to the hospital for timely consultation and related examination to rule out the presence of esophageal lesions or the presence of hematological disorders.