儿童多动综合征(Hyperactive child syndrome)又称轻微脑功能障碍(Minimal brain dysfunction,MBD)是儿童较常见的一种病态行为。近年来在我国已引起广泛重视,临床亦屡有报道,但有关本病遗传方式的研究尚少。为进一步探讨遗传与MBD的关系,我们于1983年1～6月对本病进行了流行病学 Hyperactive child syndrome, also known as Minimal brain dysfunction (MBD), is a common childhood pathological condition. In recent years, it has attracted a great deal of attention in our country and has been reported clinically. However, there are few studies on the inheritance of this disease. To further explore the relationship between heredity and MBD, we performed epidemiology of the disease in January-June 1983