1.Improve your lifestyle and avoid triggering factors such as strenuous exercise and emotional fluctuations. 2. Remove the stitches 7 days after surgery. If you find fever, fluid and obvious pain at the incision, please consult a doctor promptly. 3. Limit the activity of the arm on the side of the pacemaker for 1-2 weeks after surgery, and avoid strenuous movement of the upper limb for three months. 4. After three months, the pacemaker should be controlled on an outpatient basis, and then reviewed regularly every three to six months. 5. Take medication on time, monitor blood pressure and heart rate, and regularly recheck blood lipids, blood sugar, liver and kidney function, electrolytes in outpatient clinic to adjust medication appropriately. 6. In case of an emergency visit to the doctor due to an accident, please make sure to inform the doctor that a pacemaker is fitted. 7.Please stay away from magnetic field and vibration equipment.