The generic name of Alma is Arolol Hydrochloride, which is a B-blocker. If used for a long period of time, it is not recommended to discontinue the drug directly, such as blindly discontinuing the drug directly, it will lead to recurrence of the condition, unsatisfactory therapeutic effect or induce myocardial infarction. Arolol hydrochloride is used to treat mild to moderate hypertension, angina pectoris, tachyarrhythmia, and essential tremor. Usually adults take 10mg orally twice a day; according to the patient’s age, symptoms can be increased to 30mg per day. do not stop the drug without a doctor’s instruction, stopping the drug suddenly may lead to the worsening of the original symptoms or cause myocardial infarction, so when it is necessary to stop the drug, the dosage must be reduced slowly and fully observed. Adverse effects such as heart failure, atrioventricular block, and sinus block can be seen when taking Arolol Hydrochloride. Contraindications are that it is not used in patients with high levels of bradycardia, metabolic acidosis, or cardiogenic shock. It should also be noted that in patients with heart failure, idiopathic hypoglycemia, hypotension, and severe hepatic and renal insufficiency, the drug needs to be administered with caution.