It has the characteristics of strong penetrating, strong dispersibility, and fast onset. Its anesthetic efficacy is twice that of procaine, and its . The anesthesia effect can appear 5 minutes after the medication, and the anesthesia effect can last for 1 to 1.5 hours, which is 50% longer than procaine. After absorption, it can inhibit the central nervous system, and can inhibit ventricular autonomy, shorten the Chemicalbook short refractory period, can be used to control ventricular tachycardia, treat ventricular premature beats, ventricular tachycardia and ventricular fibrillation and other arrhythmic symptoms. It is effective for heart disease or cardiac arrhythmia caused by cardiac glycosides, but it is not effective for supraventricular tachycardia. This product has a fast action, short duration, and is ineffective in oral administration. It is often administered as an intravenous injection.