If the patient is nervous when doing the ECG, it may lead to tachycardia. To relieve this nervous feeling, the treatment is as follows: 1. It is recommended that the patient take drugs that inhibit sympathetic excitability and slow down the heart rate, such as propranolol and betalactone, etc. It is best to choose short-acting preparations. Relatively fast onset of action, can better inhibit sympathetic excitability, slowing down the patient’s heart rate; 2, at the same time, it is recommended that patients should be more relaxed, if necessary, can also be combined with psychological counselling treatment; 3, can also be combined with heart stabilizing granules, but relatively speaking, the effect of proprietary Chinese medicine is poor, only as a combination of drug program; 4, patients who themselves have anxiety disorders, it is sometimes difficult to relieve, there It may be necessary to combine with anti-anxiety drugs or direct dynamic ECG examination, which will be relatively more informative.