The generic name of YueFuLong and cardioplegia is propafenone hydrochloride tablets, the main difference is in the manufacturer, drug specifications, price, etc., but in the pharmacological effects, efficacy, etc. is the same. Propafenone belongs to the anti-arrhythmic drugs, Yue Fu Long and cardioplegia have the same pharmacological effects and efficacy, can play a slow heart rate, relaxation of coronary arteries, bronchial smooth muscle and other effects. It is mainly used for the treatment of ventricular tachycardia, supraventricular tachycardia, pre-excitation syndrome and other diseases. Side effects such as dry mouth, dizziness, nausea and vomiting may occur during administration. It is contraindicated in the case of hypersensitivity to the components of the drug, heart failure, cardiogenic shock, bradycardia, bronchospastic diseases. You can choose a suitable drug according to your condition, financial situation and other aspects, and it is recommended to use medication under the guidance of a doctor.