After atrial fibrillation to restore sinus rhythm, but also continue to take oral amiodarone or dronedarone to maintain sinus rhythm, embolism risk patients should be given anticoagulation therapy. 1. Patients with acute attacks of atrial fibrillation can be given medication to change the rhythm, some patients can restore sinus rhythm on their own, part of the patients are recommended to continue to take medication, such as amiodarone, to maintain sinus rhythm, to prevent the recurrence of atrial fibrillation. 2. Patients with atrial fibrillation should be scored for embolism, patients with high risk of arterial embolism should be given anticoagulation therapy, commonly used drugs are warfarin, rivaroxaban, to prevent the occurrence of arterial embolism, for elderly patients at the same time to carry out a bleeding risk assessment, to assess the patient’s total risk, and to formulate an appropriate treatment program. Patients with atrial fibrillation should be treated under the supervision of a physician, and patients on anticoagulation therapy should be aware of the risk of bleeding.