1.Actively treat the primary disease. When arrhythmia occurs, other disease factors should be considered and appropriate treatment measures should be actively taken. Patients with atrial fibrillation should frequently observe the heart rate and blood pressure and the changes of heart rhythm. If the heart rate suddenly appears too fast, too slow or irregular, or if there are obvious palpitations, shortness of breath, discomfort in the precordial area and a drop in blood pressure, they should be detected in time and go to the hospital immediately. The ECG should be reviewed regularly during the drug administration and its adverse effects should be closely monitored. If physical discomfort, obvious dizziness, slurred speech, chest tightness, inability to lie down and other symptoms occur, you should be alert to the possibility of thrombus dislodgement causing embolism and heart failure, and go to the hospital for examination as well as early treatment. 2, patients with atrial fibrillation should be absolutely bed rest during the acute attack. If the attack is mild, appropriate activities or rest can be performed according to the condition of the primary heart disease and physical status. 3, pay attention to dietary care. Eat more food rich in protein and vitamins, such as lean meat, fish and shrimp, eggs, milk, etc.; eat more fresh vegetables and fruits, such as cabbage, green vegetables, tomatoes, citrus, apples, bananas, lemons, etc.; do not smoke, drink less alcohol, drink less strong tea and coffee, etc.; avoid spicy and stimulating foods, such as onion and ginger, curry, chili, etc.; if the patient has poor heart function and obvious swelling, the sodium intake should be limited, the daily The intake should be less than 5g per day. 4, atrial fibrillation patients are more depressed, irritable, depressed mood, eliminate the patient’s ideological concerns and fears, maintain a calm mood, enhance their confidence in the treatment of the disease. Avoid the five wills too extreme and long-term mental tension thinking.