The manifestations of heart pain include vague pain, colic, stabbing pain, etc. The nature of the pain is related to the disease. 1. Occult pain in the heart: Occult pain in the heart can be seen in lung or pleural diseases, such as respiratory tract infection, pleurisy, pneumothorax, etc., mostly aggravated by breathing or coughing symptoms. There are also costochondritis, chronic esophagitis, chronic gastritis and so on, which can show the manifestation of vague pain in the mouth of the heart. 2. Angina pectoris: clinically seen in coronary angina pectoris, patients with paroxysmal anterior heart pain, can be accompanied by chest tightness, usually lasts a few minutes, rest or nitroglycerin can be relieved. 3. Stabbing pain in the mouth of the heart: this condition is mostly seen in intercostal neuralgia, rib fractures, cardiac neurosis and so on. Therefore, the occurrence of heart pain needs to be combined with the medical history and relevant auxiliary examination to determine the diagnosis, under the guidance of the doctor for targeted treatment.