When the heart is always thumping, the heart rhythm is normal, the person is weak, dizziness and taking quick-acting heart-saving pills is ineffective, it means that the patient is not angina pectoris, and quick-acting heart-saving pills have the efficacy of activating qi and blood circulation, removing blood stasis and relieving pain, which can alleviate angina pectoris. The appearance of the above symptoms may be cardiac neurosis, myocardial infarction or other heart diseases, should consult a doctor in time. 1. Cardiac neurosis: patients commonly have palpitations, precordial pain, chest tightness, shortness of breath, dyspnea, dizziness, insomnia, dreaminess and so on. It mostly occurs in young adults, and most people aged 20 to 40 years old are more common in women. The physical examination of this disease has no obvious characteristics of organic lesions, so it is ineffective to take quick-acting heart-saving pills. 2. Myocardial infarction: refers to myocardial necrosis caused by acute and persistent ischemia and hypoxia of coronary artery. Clinically, there are severe and persistent retrosternal pain, which cannot be completely relieved by rest and nitrate drugs, accompanied by increased serum myocardial enzyme activity and progressive electrocardiographic changes. It is not completely relieved by taking fast-acting heart-saving pills. There are many other causes of the above symptoms, patients should go to the hospital in time for consultation, identify the cause of the disease and then actively treat.