Heart rate 105 does not necessarily have to use drugs, need to look at the physiological or pathological, need to clarify the cause and then symptomatic treatment. 1. Physiological: strenuous exercise, drinking strong tea, drinking alcohol, emotional tension and excitement, etc., can lead to rapid heart rate, these causes of rapid heart rate does not need to be treated with medication, as long as the rest down to adjust the mentality, it will return to normal. 2. Pathologic: (1) hyperthyroidism, hyperthyroidism caused by fast heart rate, the main treatment of hyperthyroidism, the treatment has three ways, antithyroid drug treatment, radioactive iodine treatment, surgical treatment. Drugs are mainly imidazoles, such as methimazole, etc.; radioactive iodine treatment is suitable for moderately enlarged thyroid and thyroid recurrence; surgical treatment is suitable for significant enlargement of the thyroid, or highly suspected of malignant tumor of the thyroid. (2) Early stage of heart failure, the heart will be compensatory heart rate increase, for heart failure treatment is mainly diuretic, cardiac, vasodilator drugs available furosemide, digoxin, timosartan and so on. (3) Arrhythmia, atrial tachycardia, atrial fibrillation and other arrhythmias, tachycardia, heart rate of 105 times, can take anti-arrhythmic drugs or radiofrequency ablation treatment. (4) Fever, various infectious diseases, fever, heart rate will increase, need to identify the pathogen to be treated with antibiotics, if necessary, to be antipyretic, physical or drug control of body temperature. Heart rate 105, after excluding physiological factors, it is recommended to identify the cause of treatment.