Tachycardia is a relatively common rapid arrhythmia, generally caused by strenuous exercise, emotional fluctuations and other physiological and pathological causes such as coronary heart disease, anemia, physiological can be avoided through strenuous exercise, maintain a good state of mind self-cure, pathological need for drug treatment. 1. Physiological: (1) Avoid strenuous exercise: tachycardia is mainly caused by strenuous exercise. It can be cured by avoiding strenuous exercise and overwork; (2) Maintain a good state of mind: tachycardia is mainly caused by strong emotional fluctuations. It can be cured by maintaining a good state of mind and avoiding large emotional fluctuations; (2) Pathological: tachycardia is mainly caused by coronary heart disease or anemia resulting in myocardial ischemia. It can be treated with bisoprolol tablets, folic acid and atenolol tablets as prescribed by the doctor; In addition, drinking alcohol, ingesting strong tea and coffee, overwork, myocarditis, etc. can also cause tachycardia, and if tachycardia is serious, it is necessary to consult a doctor in time to find out the cause of the disease. Please take medication as prescribed by your doctor.