If the patient has frequent vague pain in the chest: 1, to consider cardiogenic diseases, such as coronary heart disease, cardiomyopathy, hypertensive heart disease, rheumatic heart disease, heart valve disease and congenital heart disease, these conditions usually lead to contraction, narrowing, spasm of the coronary arteries, triggering ischemia of the heart muscle cells, insufficient blood supply will cause vague pain in the chest. 2, digestive system diseases, such as chronic Biliary reflux gastritis, reflux esophagitis, gastroduodenal ulcer, cholecystitis, pancreatitis, these diseases can cause acid reflux and also have chest pain. 3, for chronic diseases of the respiratory system, such as chronic bronchitis, bronchiectasis, acute pleurisy or pleural effusion, these conditions will also have hidden pain in the chest. 4, for some patients with phytonadic disorders, often in the heart Neurosis has the symptom of frequent hidden pain in the chest.