A heart rate of 110-120 beats/minute is not life-threatening in the short term, but if it persists, it should be taken seriously, and it is recommended that a doctor be consulted to investigate the cause of the rapid heart rate. Normal heart rate is 60-100 beats/min, 110-120 beats/min is tachycardia, but it is not life-threatening in the short term. Causes of tachycardia are categorized into physiological and pathological, and the causes of accelerated heart rate need to be evaluated. If the heart rate increases to 110-120 beats/min after physical activity or under stressful or exciting emotions, it is physiological, and the heart rate usually returns to normal after rest or emotional stabilization. If the heart rate reaches 110-120 beats/minute in a relaxed state, it may be caused by pathologic reasons and needs to be taken seriously. Fever, hyperthyroidism, heart failure, arrhythmia and other reasons may cause tachycardia. It is recommended to consult a doctor to clarify the cause of the disease, and then treat the cause according to the doctor’s instructions.