Heart failure can be divided into acute heart failure and chronic heart failure. There are many causes of acute heart failure, such as acute coronary syndrome, hypertensive emergency, acute massive pulmonary embolism, right ventricular infarction, severe pulmonary hypertension, and so on. Chronic heart failure can also have many causes, for example, coronary artery disease and hypertension have become the main causes of chronic heart failure, rheumatic heart disease, and valvular heart disease can also cause chronic heart failure. Chronic cor pulmonale and high-altitude heart disease also have a certain incidence rate in China, among others.