The need for medication after the installation of a pacemaker is determined by the patient’s specific condition. If the problem is simply caused by a slow heart rate, there is no need for medication after the installation of a pacemaker; if the patient has a combination of other diseases, such as hypertension, coronary artery disease, and atrial fibrillation, the patient will need to follow the doctor’s instructions for medication. The therapeutic purpose of pacemaker is to help the heart to beat when the patient has severe bradycardia. It is mainly used for slow heart rate, heart conduction problems and tachycardia or problems with other arrhythmias. If the problem is simply caused by a slow heart rate, no medication is needed after a pacemaker is installed. However, most patients implanted with pacemakers often combined with some other heart diseases such as atrial fibrillation, cardiac hypertrophy, coronary artery disease, diabetes mellitus, high blood pressure, etc., then these cases in the installation of pacemakers, still need to be treated with medication, such as coronary artery dilation of isosorbide mononitrate; blood pressure lowering drugs amlodipine, valdecoxib, and glucose-lowering drugs such as metformin, acarbose. After the installation of the pacemaker need to pay attention to, the upper limb on the side of the pacemaker to avoid strenuous activities, avoid going to the strong magnetic field, regular outpatient follow-up. In conclusion, whether you need to take medication after installing a pacemaker, you need to go to a regular hospital to consult a professional doctor, and should not make a decision on your own.