The causes of rapid heartbeat are categorized into physiological, pathological and pharmacological factors. It is necessary to choose the treatment method according to the specific reasons to prevent heart function problems in the later stage. 1. Physiological factors: usually if the mental tension, emotional excitement or excitement, after strenuous exercise, will produce the phenomenon of rapid heartbeat, these are normal physiological performance. 2. Pathological factors: If there are physical diseases, such as fever or pain caused by various reasons, heart disease, hyperthyroidism and anemia, etc., will trigger the symptoms of rapid heartbeat. 3. Drug factors: usually if you take drugs, such as epinephrine or atropine, it is easy to lead to the phenomenon of rapid heartbeat, which is directly related to the effect of drugs. If the situation of rapid heartbeat is more serious and frequent, you need to go to the cardiovascular internal medicine department to confirm the diagnosis, under the guidance of the doctor, to carry out targeted treatment. Usually pay attention to maintain a stable mood and regular habits.