Rapid heartbeat after smoking may be a normal phenomenon, or it may be caused by cardiac arrhythmia. It is better for patients to quit smoking and go to the hospital for examination and treatment in time. 1. Quit smoking: Cigarettes contain tar, nicotine and other substances, nicotine will cause sympathetic nerve excitation, making the heart beat faster, stop smoking after the symptoms will slowly reduce disappear. Smoking is closely related to the occurrence of coronary heart disease and other cardiovascular diseases, in order to prevent the recurrence of such symptoms, patients may consider quitting smoking. 2. Medication: Rapid heartbeat after smoking may also be due to heart disease, such as arrhythmia, which may also occur when the patient’s heart beats faster after smoking. At this time, the patient should go to the hospital for examination, together with the 24-hour ECG monitoring, and if it is an arrhythmia, it can be used under the guidance of the doctor to treat it with medicines such as amiodarone, propafenone, and so on. For patients with rapid heartbeat after smoking, it is best to change the bad habits in life, if the body occurs serious discomfort or other abnormalities are recommended to consult a doctor in time for examination.