Hearing a heartbeat in the ear may be physiological reasons, caused by excessive stress. It may also be due to pathological reasons, such as otitis media, hypertension, hyperthyroidism, etc., should be promptly to the hospital to clarify the cause of the disease. 1. Physiological reasons: heartbeat in the ear if the symptoms are occasional may be fatigue, poor sleep or tension, stress, generally by adjusting the mentality, to ensure rest and sleep most of the self-healing. 2. Pathological causes: Otitis media: Otitis media is mainly due to viral or bacterial infections, which are usually secondary to upper respiratory tract infections such as colds and flu. Otitis media may cause heartbeat sounds to be heard in the ears. High blood pressure: High blood pressure can be categorized as primary or secondary depending on whether the cause is known or not. High blood pressure may cause a heartbeat to be heard in the ears. Hyperthyroidism: Hyperthyroidism is a thyrotoxicosis caused by excessive production of thyroid hormones by the thyroid gland itself, which is characterized by increased excitability and hypermetabolism in the nervous, circulatory and digestive systems. Hyperthyroidism may lead to hearing heartbeats in the ears. If there is no short-term relief of the heartbeat sound in the ears, it is recommended to seek prompt medical attention.