A fluttering heart may be caused by paroxysmal tachycardia, or it may be caused by ventricular pre-systole, which needs to be treated by taking medicines such as verapamil and digoxin under the guidance of doctor, and surgery if necessary. 1, paroxysmal tachycardia: paroxysmal tachycardia is a sudden onset and sudden stop of tachycardia, mainly caused by heart disease, thyroid disease, smoking, drinking, etc., usually manifested as palpitations, chest tightness, dizziness, fainting, etc., there will be the symptom that the heart will flutter a little bit, can be taken under the guidance of the doctor, verapamil hydrochloride tablets, digoxin tablets and other medications. 2, ventricular pre-systole: ventricular pre-systole is one of the common arrhythmia, mainly due to heart disease, surgery, over fatigue, chronic insomnia, etc., usually manifested as palpitations, panic, chest tightness, etc., there will be the symptom of the heart will flutter from time to time, can be used under the guidance of the doctor transcatheter radiofrequency ablation surgery treatment. It is recommended to consult a doctor in time for the above symptoms and standardize the treatment under the doctor’s guidance.