Fast heartbeat first need to clarify the diagnosis, such as physiological factors, hyperthyroidism, sinus tachycardia, etc., need to treat the cause, medication and other relief. 1. Physiological factors: for example, change of body position, exercise, food digestion, emotional anxiety, pregnancy, excitement, fear, agitation, etc., which need to be relieved by calming down and sufficient rest. 2. Hyperthyroidism: due to the excessive secretion of thyroid hormone caused by systemic metabolism enhancement, resulting in increased heart rate, the need for the application of anti-thyroid drugs under the guidance of the doctor, such as methimazole, propylthiouracil, propranolol and so on to improve the symptoms. 3. Myocarditis: need bed rest, avoid emotional stimulation and fluctuations, need to improve the patient’s myocardial energy metabolism, such as creatine phosphate, coenzyme Q10; at the same time, supplementation of water-soluble vitamins and fat-soluble vitamins, such as vitamins B, C and so on. There are also tachyarrhythmia, heart failure and other causes may cause rapid heartbeat, it is recommended that when the organism’s rapid heartbeat is not relieved by resting, consult a doctor in a timely manner to find out the cause and standardize the treatment under the guidance of the doctor.