Patients should take more vitamins in their diet. Experts note that the world so far does not have a relatively mature concept of how to take vitamins and minerals to regulate the problem of the human organism. In particular, no one can determine the most reasonable dosage for the intake of certain trace elements. The biggest difficulty lies in the fact that producers are unable to determine the age, gender, health status, and living and working environments of those who take them. Wang Xinhua, Department of Cardiology, Shanghai Renji Hospital 1, the normal human heartbeat in 60 ~ 100 times per minute, while atrial fibrillation atrial “trembling” 350 ~ 600 times per minute, the atrial muscle fibers show a rapid and disordered trembling, thus losing the ability to contract effectively. When atrial fibrillation occurs, patients will obviously feel the heart beating irregularly, chest tightness, breathlessness. 2, atrial fibrillation (AF), is the most common persistent arrhythmia, in the elderly over 65 years old, the incidence of more than 5%. Atrial fibrillation not only makes patients feel panic, shortness of breath, chest tightness, fatigue, mental depression obviously affects their normal work and life, but also makes the original heart failure and angina symptoms worsened, long-term atrial fibrillation will also lead to stroke, resulting in hemiplegia. 3, some cough medicine or cold medicine contains stimulants, may cause irregular heart rhythm, should ask the doctor or read the instructions before taking. Reasonable diet, there should be a reasonable dietary arrangements. Nutritional factors are very important in the prevention and treatment of heart disease. 4, in principle, should be “three low” that is: low calorie, low fat, low cholesterol; more food rich in vitamin C foods, such as fruits, fresh vegetables, vegetable oils; less saturated fatty acids and cholesterol-containing high food, such as fat, egg yolks, animal oils, animal offal, etc.; the diet should be high in potassium and low in sodium to encourage the consumption of soybean products, drinking tea; Eat a regular diet, not too hungry or too full.