Protecting the heart can be done through diet, exercise and lifestyle habits. 1. Diet: to protect the heart in the diet should abstain from alcohol, eat less heavy salt, greasy food, patients with high blood pressure, especially need to limit salt diet, patients with hyperlipidemia, especially should eat less fatty meat, animal organs and other foods rich in fat, cholesterol, diabetic patients should also be timed, quantitative meals, to reduce the fluctuation of blood sugar. 2. Exercise: Healthy people should exercise appropriately, jogging, swimming and other aerobic exercise to protect the heart; and heart failure people should not be excessive exercise, it should be tolerated by the patient to avoid aggravating heart failure, and even endanger the patient’s life. 3. Lifestyle habits: to protect the heart in terms of lifestyle habits, you should go to bed early and get up early, relax your mood, and people who smoke should quit smoking. Each person’s physical condition is different, if you need to protect your heart, please consult your doctor and follow the doctor’s instructions to improve your living, exercise and dietary habits.