If the patient has pain in the middle of the chest above the stomach, this situation is considered to be angina pectoris caused by the pressure of the pain behind the sternum, it is recommended that the patient in the onset of symptoms of discomfort, you can take sublingual nitroglycerin or heart pills, if the symptoms can be relieved after taking the drug, it is highly considered to be angina pectoris caused by the discomfort, in order to further clarify the diagnosis, it is recommended that the patient can perform In order to further clarify the diagnosis, patients are advised to undergo electrocardiogram, cardiac ultrasound and coronary CT. In addition, CT of the lungs should also be examined, especially in some elderly patients, which may also be caused by severe pneumonia or lung tumors. It is recommended that the patient can take relevant tests to clarify the diagnosis, which will help to better formulate the most suitable medication plan for the patient. If the final diagnosis is caused by coronary heart disease, it is recommended that patients take oral aspirin, metoprolol, resuvastatin, isosorbide mononitrate and other medications to prevent the recurrence of discomfort and to slow down the progression of the disease.