Granulocyte colony-stimulating factor (G-CSF) can reduce myocardial apoptosis and inflammation, inhibit ventricular remodeling, improve cardiac function, stabilize the myocardial electrophysiological characteristics, and reduce the incidence of ventricular arrhythmia after ischemia-reperfusion injury and MI [8]. The gene discussed is CSF3; the disease is Ventricular arrhythmia.