Ventricular premature contractions after taking three months of stable heart granules and ginseng pine heart capsule is not good, can be replaced by propafenone treatment, but the specific drugs should follow the doctor’s instructions. Patients with ventricular premature contractions can take oral stabilized heart granules or ginseng pine heart capsule, but both belong to the Chinese patent medicine preparation, the effect is relatively slow. For patients with particularly pronounced symptoms of ventricular premature contractions and no obvious bradycardia, they can be treated with oral propafenone. Propafenone belongs to the western prescription drugs, the main mechanism of action is to inhibit sodium ion inward flow, can inhibit the abnormal conduction in the heart, can be used for the treatment of ventricular preterm contraction. The adverse reactions of Propafenone include dizziness, nausea, vomiting, abdominal distension, constipation, etc. It is contraindicated for patients with allergy to the drug components, severe heart failure, bradycardia without pacemaker protection. For patients with ventricular preterm contraction who are poorly treated with oral stabilized heart granules and ginseng pine heart capsules, they should go to the hospital and be treated under the guidance of a physician.