Prevention of heart failure requires long-term management and there is no such thing as the easiest way. Specific measures include: controlling blood pressure, blood sugar and blood lipids, actively treating primary heart diseases, preventing and controlling infections, and lifestyle adjustments. 1. Control blood pressure, blood sugar and blood lipids: high blood pressure, diabetes, high blood lipids can induce or aggravate heart disease, for example, long-term high blood pressure can trigger hypertensive heart disease, dyslipidemia can promote the development of atherosclerosis and thus cause coronary heart disease. These heart diseases can eventually cause heart failure. 2. Actively treat the original disease: all kinds of heart disease development to the end can cause heart failure, such as acute myocardial infarction, heart valve disease, cardiomyopathy, etc., so we should be treated as soon as possible, to avoid deterioration of the condition developed into heart failure. 3. Prevention and treatment of infections: respiratory infections are the most common cause of heart failure, especially in patients with chronic obstructive pulmonary disease or chronic pulmonary heart disease. Therefore, we should pay attention to keep warm in daily life to avoid infection. Signs of infection should be treated early to avoid further deterioration of the condition. 4. Lifestyle adjustment: including weight control, reducing sodium and fat intake, appropriate exercise, maintaining emotional stability, standardizing the use of drugs and controlling fluid intake. Heart failure is a disease that requires long-term management, different patients may have different treatment plans, it is recommended that patients go to the hospital as soon as possible, and ask professional doctors to formulate individualized prevention and treatment plans according to their specific conditions.