Hoppexol is the trade name, generic name of diltiazem hydrochloride, the advantages of this drug is that it can reduce the ventricular rate, relieve coronary artery spasm, and does not change the serum calcium concentration; the disadvantage is that the antihypertensive effect is weak, and may be puffiness, headache, malaise, nausea, dizziness, rash, bradycardia, hypotension, and other adverse reactions. Hebeishuang, also known as Diltiazem hydrochloride, belongs to the non-dihydropyridine class of calcium antagonists, and is available in two dosage forms: injection and extended-release capsule. It is mainly used for the treatment of angina pectoris, hypertension and tachycardia. It is contraindicated in patients with sick sinus node syndrome without pacemaker, patients with second or third degree atrioventricular block, patients with systolic blood pressure less than 90mmHg, heart rate less than 50 beats per minute, patients with congestive heart failure, and patients who are allergic to this product. It should be used with caution in patients with abnormal liver and kidney function, and liver and kidney function, blood pressure and heart rate should be checked during the use of the drug. Please use this product under the supervision of a physician and avoid unauthorized use.