Tachycardia should be treated according to the cause of the disease, such as hyperthyroidism should be corrected first, and then the use of beta receptor antagonists, there is no specific drug. 1. Sinus tachycardia caused by hyperthyroidism should be treated with antithyroid drugs such as propylthiouracil, and then with β-agonists such as propranolol and metoprolol. 2. Tachycardia caused by congestive heart failure should be corrected first, and the heart rate should be controlled with digitalis drugs such as digoxin, cediran or beta-blockers such as metoprolol. 3. If the ventricular tachycardia is caused by myocardial ischemia, it can first improve myocardial blood supply, and at the same time, it can be treated with β-receptor antagonists such as propranolol and bisoprolol. 4. Tachycardia caused by arrhythmia can be treated with antiarrhythmic drugs, such as amiodarone, and then with propranolol and metoprolol to control the heart rate. If you are diagnosed with tachycardia, you should consult a doctor for standardized treatment.