Arolol has α, β receptor blocking effect, can lower blood pressure, anti-angina, anti-arrhythmia, anti-fibrillation effect, should be used under the guidance of a doctor. Arolol has α, β receptor blocking effect, can lower blood pressure, reduce myocardial oxygen consumption, relieve angina pectoris, also has the effect of anti-arrhythmia, anti-tremor, clinically commonly used in the treatment of mild to moderate essential hypertension, angina pectoris, tachycardia arrhythmia and essential tremor. Arolol is contraindicated in patients with high degree of bradycardia, atrioventricular block of 2nd degree and above, sick sinus node syndrome, diabetic ketoacidosis, bronchial asthma, cardiogenic shock, as well as pregnant women, women who are likely to become pregnant, etc., and breastfeeding should be avoided during the administration of the drug. Adverse reactions such as chest tightness, dizziness, hypotension, headache, abdominal pain, nausea and vomiting, and elevated liver enzymes can be caused during the use of Arolol. The drug should be used under the supervision of a doctor. In case of discomfort, seek medical attention and follow the doctor’s instructions.