The saber is located at the lower end of the sternal body, in the middle part of the chest, adjacent to the stomach, lungs, heart, etc. Therefore, the pain at the saber may be caused by various reasons. Usually, there are four common diseases that need to be alerted, i.e., trauma at the glabella, gastrointestinal diseases, pulmonary diseases and heart diseases, which need to be combined with the patient’s past history, current medical history and accompanying symptoms for preliminary judgment. 1. Trauma at the glabella: such as external impact, extrusion, etc., which may lead to soft tissue injury or even fracture at the glabella, or due to strenuous exercise pulling the abdominal muscle, which may cause the glabella cartilage tissue hyperplasia and surrounding 2, gastrointestinal diseases: such as peptic ulcer, reflux esophagitis, etc., can lead to pain at the raphe in the anterior thoracic region, but also accompanied by nausea, vomiting, abdominal distension, abdominal pain, diarrhea and other gastrointestinal symptoms, gastrointestinal examination can be conducted to help confirm the diagnosis; 3, lung diseases: such as pneumonia, bronchitis, emphysema, etc., can appear pain at the raphe, but also Pulmonary diseases: such as pneumonia, bronchitis, emphysema, etc. can be accompanied by cough, chest pain, shortness of breath, dyspnea and other respiratory symptoms, and pulmonary function tests and lung CT can be performed to help confirm the diagnosis; 4. It can also be accompanied by panic, chest tightness, sweating, dyspnea, near-death feeling and other manifestations. In this case, you need to rest in bed, avoid tension and anxiety, and take nitroglycerin, which can usually be relieved within a few minutes. If the pain is not relieved, it is necessary to consult a doctor promptly to clarify the specific cause. In addition, the cause of pain at the raphe may also be intercostal neuralgia, costochondritis, etc. If the pain symptoms are more severe and frequent, it is recommended to seek medical attention in time to avoid delaying the condition.