The pain at the entrance of the heart should refer to the pain in the anterior region of the heart, the causes of pain in the anterior region of the heart are: 1, the heart itself causes, for example, due to long-term lipid, blood glucose, blood pressure is not normal, resulting in insufficient supply of blood to the coronary arteries, or atherosclerosis caused by the persistent pain in the anterior region of the heart, you need to be through the 24-hour electrocardiogram monitoring, coronary artery CT testing, especially the gold standard, coronary angiography to specify the degree of stenosis of coronary arteries, in order to give timely and effective treatment. In order to give timely and effective treatment.2. Aortic coarctation, the condition is very risky, to control the blood pressure, if necessary, to take surgical treatment, to prevent the occurrence of sudden death.3. Pulmonary artery embolism caused by the need for timely anticoagulation and thrombolytic therapy.4. Digestive diseases caused by gastritis, such as gastric inflammation, reflux esophagitis, etc., will also have the symptoms of anterior heart pain, the need for proton pump inhibitor, or digestive system of the drug to give treatment to eliminate symptoms. Give treatment to eliminate the symptoms.