If the patient in the middle of the night chest pain usually have the following factors: 1, the most common factor is cardiac factors, often in coronary atherosclerotic heart disease, unstable angina pectoris, myocarditis, pericarditis, dilated cardiomyopathy, especially in patients with chronic heart failure in the middle of the night in the heart of the stuffy pain. 2, pulmonary factors, such as the patient appeared in an acute pneumonia, lung infections, Bronchitis, pleural effusion or even pneumothorax will also cause dull pain in the heart at night.3. Diseases of the chest wall, such as costochondritis, costochondritis, intercostal neuralgia or even herpes zoster will also have such clinical symptoms and manifestations.4. Endocrine disorders will also cause dull pain in the heart in the middle of the night.