Premature arrhythmia may cause life-threatening condition, but the probability is usually not high. If there are no symptoms, you can have regular checkups, and if there are symptoms, you need to have active treatment and good daily care. Premature beats are a type of arrhythmia. Some premature beats are physiologic and are caused by drinking coffee or tea or by emotional stress or poor rest, and can usually be recovered by removing the influencing factors. The most serious consequence of premature beats may lead to sudden death, but generally speaking, the probability of this kind of situation is not very high and usually there are organic diseases, timely examination in the hospital, some patients may have heart weakness, chest tightness, fatigue and other uncomfortable symptoms. If premature arrhythmia occurs, it is recommended to consult a doctor in time, if there are symptoms or other diseases, follow the doctor’s instructions to use medication for treatment, usually pay attention to rest, avoid overwork, to prevent life-threatening situations. Regular electrocardiograms should be performed to understand the operation of the heart and avoid aggravation of symptoms.