Premature ventricular arrhythmias in children are categorized as episodic premature ventricular beats and frequent premature ventricular beats. It can be treated by general treatment, drug treatment and radiofrequency ablation treatment. 1. General treatment: children should rest more, preferably bed rest. At the same time, we should treat the primary disease, if the premature ventricular contractions are caused by myocarditis or myocardial injury, we can use coenzyme Q10, vitamin C and other nutritive drugs for myocardium; for premature ventricular contractions caused by hypokalemia, we should correct the electrolyte disorders actively. 2. Drug therapy: for frequent ventricular premature beats, propafenone can be used for symptomatic treatment. 3. Radiofrequency ablation: For those who have frequent ventricular premature beats and cannot be controlled by medication, radiofrequency ablation can be considered as a radical surgery. There are many causes of premature ventricular contractions, it is recommended to improve the relevant examination to find the cause of the disease, the treatment of the cause, the above drugs need to follow the doctor’s instructions.