Atrial fibrillation patients usually do not have any particularly unsuitable food, but when combined with other complications, they should try to eat a low-salt, low-fat, low-cholesterol diet and so on. Atrial fibrillation is a common arrhythmia, which is mainly characterized by heart rate disorders, and patients may experience symptoms such as palpitations, chest pain, and dyspnea. The causes of atrial fibrillation include high blood pressure, coronary heart disease and rheumatic heart disease. Patients with atrial fibrillation do not have special dietary requirements, patients with coronary heart disease should pay attention to low-salt, low-fat, low-cholesterol diet, patients with heart failure should strictly limit the intake of water and salt, usually pay attention to maintain a balanced nutrient, do not have to deliberately control certain foods. Atrial fibrillation, please consult the hospital in time, the specific treatment should follow the doctor’s instructions, so as not to delay the condition.