Pain a little below the chest needs to be distinguished from male or female, such as male needs to identify whether it is high-risk chest pain, medium-risk chest pain or mild chest pain. High-risk chest pain includes acute myocardial infarction, acute tension pneumothorax, acute aortic coarctation; medium-risk chest pain includes acute coronary syndrome, acute myocardial ischemia, angina pectoris; minor chest pain includes conditions such as gastroesophageal reflux, herpes zoster, costochondritis, pleural effusion, etc. High-risk chest pain requires immediate hospital consultation and timely symptomatic treatment. In addition to the three major causes of appeal, women may also commonly have breast diseases, such as bilateral lobular hyperplasia, mastitis and breast tumors, which can also cause pain a little below the chest.