After atrial fibrillation surgery, patients can be cared for in terms of rest, diet and medication. 1. Rest: patients should pay attention to appropriate rest after surgery, and the puncture site should not be active flexion and extension, and the puncture site also needs to be hemostatic. Braking should be paid attention to within 12 hours after the operation, and after 24 hours, depending on the patient’s physical condition, the patient can get out of bed appropriately. 2. Diet: Patients should fast for two hours after the operation, and after two hours, they can eat fluids appropriately, and gradually return to semi-fluid food under the guidance of the doctor. 3. Drugs: After atrial fibrillation surgery, anticoagulant drugs should be used under the guidance of the doctor to avoid thrombosis in the heart. If necessary, anti-arrhythmic drugs can be used as prescribed by the doctor, which can effectively prevent the recurrence of atrial fibrillation. After atrial fibrillation surgery, patients should pay attention to the regular review in the hospital, when there is discomfort, can promptly consult a doctor for examination.