Can hear their own sudden heartbeat can be seen in physiological causes, hyperthyroidism, hypertension, physiological causes do not need to be treated, hyperthyroidism need to control the heart rate, reduce the thyroid hormone, high blood pressure patients need to control the blood pressure. 1. Physiological reasons: excessive tension and anxiety can lead to sympathetic nervous excitement, adrenaline secretion increases, the heartbeat is strengthened, you can hear their own sudden heartbeat, pay attention to emotional control, no special treatment. 2. Hyperthyroidism: to patients with increased secretion of thyroid hormones, heartbeat accelerated and strengthened, you can hear the sound of their own heartbeat, can be given Metoprolol to control the heart rate, oral methimazole to reduce thyroid hormones. 3. Hypertension: Due to the elevation of blood pressure level, the contraction force of the heart muscle will be strengthened, which may also cause the patient to hear the sound of his own heartbeat, and antihypertensive drugs should be given to treat it, such as amlodipine and valsartan. There are other cardiac arrhythmias, etc. can also hear the sound of their own sudden heartbeat, to consult a doctor in a timely manner, to find the cause and active treatment.