Hidden pain in the heart at rest may be stable angina, acute myocardial infarction, intercostal neuritis, pleurisy, gastric reflux esophagitis, etc., should be directed to the cause of the general treatment, follow the doctor’s instructions to take nitroglycerin, clopidogrel and other medications, and if necessary, surgical treatment. 1. Stable angina: coronary artery stenosis due to various reasons can lead to insufficient blood supply to the myocardium and angina pectoris, which can be relieved by sublingual nitroglycerin. It can be relieved by sublingual nitroglycerin, and further examination and treatment should be carried out by a doctor in time. 2. Acute myocardial infarction: myocardial ischemia and necrosis due to coronary artery vascular occlusion, manifested as hidden pain in the heart, you need to immediately call 120 or go to the emergency department of the hospital, an electrocardiogram, troponin and other tests to clarify. Early can take aspirin, clopidogrel, at the same time as soon as possible contact intervention or thrombolytic therapy. 3. Intercostal neuritis: caused by cold, infection and other reasons. It is manifested as vague pain in the chest, which may be mistaken as heart pain, and can be ruled out by ECG, ultrasound and other examinations, and local use of diclofenac cream and other drugs can relieve the symptoms. 4. Pleurisy: Pneumonia can cause pleurisy, resulting in pleural adhesions, which can also cause chest pain, which can be diagnosed through DR or CT examination, and can be treated with anti-infection according to the type of infection, such as penicillin, cefazoxime and other anti-infective agents for bacterial infections. 5. Gastric reflux esophagitis: mostly burning pain, but also can appear in the anterior chest area hidden pain, need to use omeprazole and other acid inhibitors to inhibit the secretion of gastric acid, mosapride and so on to promote gastrointestinal peristalsis. There are many possible causes of hidden pain in the heart at rest, and the cause should be clarified and standardized treatment under the guidance of a doctor.