There is no such thing as a strong heart clinically, and protection is generally the main focus. You can protect your heart from living habits, daily exercise and taking medication on time. 1. Lifestyle habits: Stop smoking and drinking in daily life, and try to avoid diets high in salt, grease and calories. Pay attention to keep enough sleep and avoid staying up late. 2. Daily exercise: you can carry out aerobic exercise of appropriate intensity, such as swimming, push-ups, barbells, jogging. All can improve myocardial exercise endurance, enhance myocardial contractility, increase cardiac output, improve microcirculation, and promote normal body metabolism. 3. Take medication on time: For patients with heart diseases, they should follow the doctor’s instructions and take medication regularly to avoid forgetting to take medication and causing damage to the heart function. To summarize, the protection of the heart needs long-term persistence. If patients have heart symptoms, they should go to the hospital in time to avoid delaying their condition.