If the patient wakes up with tachycardia after a lunch break. First of all, need to actively look for the primary cause, it is recommended to improve the relevant physical examination and auxiliary examination at the hospital, especially to check the circulatory system and endocrine system, according to the patient’s primary cause for active treatment, if the patient is due to plant nerve dysfunction resulting in tachycardia after a nap, active rest to regulate the nerves, improve sleep treatment, at this time the patient will be able to relieve the above symptoms. Secondly, if the patient is suffering from endocrine disorders, such as hyperthyroidism, he can take certain drugs to regulate it, such as Sage, Mecillin hydrochloride or Chinese medicine heart stabilizing granules, which can relieve the above situation. In addition, if the tachycardia is caused by cardiogenic diseases, such as coronary heart disease, the patient can take some beta-blockers, such as betalactam, and observe the heart rate changes.