The main symptoms of episodic premature ventricular contractions are panic, palpitations, chest tightness and shortness of breath. Episodic premature ventricular contractions are defined as less than six premature beats per minute. Most of them are induced by emotional excitement, nervousness, insomnia, drinking strong tea, smoking and drinking, etc. Episodic premature ventricular contractions usually have no obvious clinical manifestations and are mostly found during physical examination. However, some people may have palpitations, panic attacks, chest tightness, and even insomnia and anxiety, and should actively give the patient a good job of counseling, and explain the knowledge related to premature beats to reduce anxiety, most people can alleviate the symptoms. If frequent episodes, should be timely to the regular hospital consultation, given to exclude cardiac organic lesions, etc., so as not to delay the condition, while patients should pay attention to rest and relaxation in general.