Whether bradycardia needs treatment depends on the degree of bradycardia and the symptoms of a comprehensive decision, if there is no symptom, most of the cases do not need to be treated, there are related symptoms such as dizziness, blackout or even fainting, or slow heart rate related to sports endurance decline, need to actively according to the cause of the targeted treatment. 1. Taking drugs that may slow down the heart rate, such as beta-blockers like metoprolol, calcium antagonists like diltiazem, cardiac drugs like digoxin, etc., may slow down the heart rate, which can be regained after decreasing the dosage or stopping the drug. 2. Pathological slowing of the heart rate, such as pathological sinus node syndrome or atrioventricular block, atrial fibrillation with long RR intervals, etc. In severe cases (e.g., an average heart rate of less than 40 beats or long intervals of >4 seconds, or symptoms associated with bradycardia), implantation of a pacemaker is required, and in the absence of a pacemaker, medications such as atropine and isoproterenol may be used for a short period of time. 3. Non-cardiac diseases such as electrolyte disorders or hypothyroidism can also cause bradycardia and require symptomatic correction of electrolyte disorders or thyroxine supplementation. It is important to note that all medications and treatment regimens should be used under a doctor’s supervision to avoid dangerous delays.