The following is the method I recommend to protect the heart. 1, put your legs up when you sleep. Tilting your legs when you sleep at night can make blood flow back to the lungs and heart, protect the heart and reduce the pressure on cardiac output. 2. An apple a day means that the apple is a long-lived apple. Eating an apple a day can reduce 8500 deaths caused by heart disease a year, which is close to the effect of taking medicine. 3. The polyphenols contained in a cup of green tea every day have antioxidant effect, and the green tea element in green tea has the effect of inhibiting thrombosis and protecting the heart. 4. Smiling often and smiling more every day can increase blood vessel dilation by 22%, lower blood pressure and reduce the risk of heart attack. 5, sleep to ensure 7 hours of adequate sleep to ensure a day's mental state, people who sleep less than 7 hours are more likely to suffer from cardiovascular disease than people who sleep enough.