The heart is a very important organ of the human body, which is the basis of all human activities. Just by the rhythm of the heartbeat, we can tell whether the heart is healthy or not. Fruits are rich in vitamins, minerals, dietary fiber and bioactive substances, which can stimulate gastrointestinal motility and digestive juice secretion, increase appetite, help digestion and prevent cardiovascular diseases. Eating about three taels of fruit a day can reduce the incidence of heart disease and stroke by 40 percent. 1, apple Apple is known as the protector of cardiovascular health, it is rich in sugars, acids, flavonoids, aromatic alcohols and pectin substances, and contains fiber, vitamin B, C and calcium, phosphorus, potassium, iron and other nutrients, can supplement the body enough fiber, reduce the incidence of heart disease, eat an apple a day, can make the mortality rate of coronary heart patients reduced by half. Patients with hypertension insist on eating apples three times a day, one to two each time, which has a good effect of lowering blood pressure. 2, bananas Bananas are very typical of high potassium food, and does not contain cholesterol components. When the human body is deficient in potassium, it is often accompanied by dizziness, weakness and arrhythmia, and bananas happen to be rich in this important nutrient. For hypertension combined with atherosclerosis, coronary heart disease patients, regular consumption of bananas or banana tea, banana powder, etc. have a better effect. 3, kiwi is a fruit of great nutritional value, known as the “king of fruits”. It contains leucine, phenylalanine, isoleucine, tyrosine, alanine and more than 10 kinds of amino acids, as well as rich minerals, including rich calcium, phosphorus, iron, also contains carotene and a variety of vitamins. Therefore, it is beneficial to alleviate dyslipidemia, atherosclerosis, and prevent coronary heart disease and cardiomyopathy. 4.Hawthorn Sweet and sour, slightly warm, is a good medicine to appetite and enhance digestive function, often regarded as “longevity food”. The rich flavonoids and vitamins in hawthorn can effectively prevent the generation of free radicals, strengthen the body’s immunity, enhance appetite, improve sleep, maintain the constant calcium in bone and blood, dilate blood vessels, increase coronary blood flow, lower blood pressure and cholesterol, soften blood vessels and diuretic and sedative effects, in addition, hawthorn also has a strong cardiac effect, so it is especially beneficial to heart disease.