The contraindications of heart failure are dietary contraindications, drug contraindications and lifestyle contraindications. 1. Dietary contraindications: patients with heart failure should not consume too much salt in their diet, should not eat spicy, cold and greasy food, such as chili peppers, fatty meat, etc., and should quit smoking and drinking. 2. Drug contraindications: acute heart failure patients can not take drugs that will weaken the contractility of the heart muscle, such as metoprolol and other beta-blockers. Chronic heart failure patients in the use of such drugs, can not take a large number of, generally to start taking a small dose, safer. 3. Lifestyle taboos: heart failure patients in their daily lives, should pay attention to not overwork and strenuous exercise. At the same time, they should not be overly emotional and avoid excessive tension. In addition, you can not drink alcohol and smoking. It is recommended to use medication under the guidance of a physician.