The cause of accelerated heartbeat and panic may be due to physiologic factors, or it may be due to endocrine-metabolic diseases, phytoneurologic disorders, or cardiogenic diseases. The cause can be clarified by combining other symptoms, examination, medical history and medication. 1. Physiological factors: such as drinking a lot of alcohol, drinking strong coffee or tea, emotional excitement, strenuous exercise, staying up all night, etc. can cause rapid heartbeat and panic. Pay attention to adjust the diet, ensure rest, the symptoms of rapid heartbeat and panic can be gradually relieved. 2. Endocrine metabolic diseases: such as hyperthyroidism, hyperadrenalism and other diseases, due to hormonal disorders can cause symptoms of rapid heartbeat and panic. Patients may also have other symptoms such as irritability and fear of heat, obesity, polyphagia and emaciation. 3. Phytoneurotic disorder: Phytoneurotic disorder can lead to rapid heartbeat, accompanied by panic, irritability and so on. 4. Cardiogenic diseases: such as tachyarrhythmia, heart failure, pericarditis, acute myocarditis and other diseases can lead to the symptoms of rapid heartbeat and panic. Some patients may be accompanied by chest tightness, chest pain, dizziness, fatigue, dyspnea, edema and so on. Once the symptoms of rapid heartbeat and panic occur, continue to be unable to relieve, or accompanied by other discomforts, please consult a doctor in time, through the electrocardiogram, cardiac ultrasound, hormone level measurement and other examinations, to clarify the cause of the disease, targeted treatment and adjustment.