血管硬化剂的选择是决定血管瘤治疗预后的重要因素，平阳霉素是近年来被广泛采用，并取得满意疗效的理想药物之一［１，２］，但其作用机制尚缺乏详细深入的基础研究。本文通过观察平阳霉素对体外培养血管瘤内皮细胞增殖的影响作用，初步探讨其治疗机制。材料和方法１试剂... The selection of vascular sclerosing agent is an important factor that determines the prognosis of hemangioma. Pingyangmycin is one of the ideal drugs widely used in recent years and has achieved satisfactory results [1,2], but the mechanism of action is still lack of detailed and in-depth basis the study. In this paper, by observing the effect of pingyangmycin on the proliferation of endothelial cells cultured in vitro, the mechanism of treatment was preliminarily discussed. Materials and Methods 1 Reagents