为了解儿童多动综合症（MBD）在小学中的发生情况。我们于1994年6月对福安市实验小学656名学生进行调查。1调查方法1．1初筛：调查前向班主任介绍本病的表现及本次调查的有关事项，然后由班主任提供疑似fiBD儿童。1．2重筛：对疑似MBD的儿童，逐个进行行家访问诊和神经精神检查 To understand the occurrence of hyperactive children syndrome (MBD) in primary school. In June 1994, we conducted a survey of 656 students in Fu’an Experimental Primary School. 1 survey methods 1.1 Screening: Before the survey to introduce the performance of the class teacher and the investigation of the relevant matters, and then by the class teacher to provide suspected fiBD children. 1.2 re-screening: suspected MBD children, one by one expert visits and neuropsychiatric examination