Short bursts of ventricular tachycardia are life-threatening or not, related to the following factors: 1, whether the underlying disease, the severity of the underlying disease, if the underlying disease is more serious, it is life-threatening; 2, the duration of short bursts of ventricular tachycardia; 3, the presence or absence of hemodynamic disorders, which is manifested as a drop in blood pressure, dyspnea, left heart failure, or cardiogenic shock; 4, the treatment of the timely treatment, if treated in a timely manner, it is not life-threatening. Paroxysmal ventricular tachycardia often occurs in patients with organic heart disease and must be treated as soon as possible.