通过对洛阳市涧西区 4所小学的 732名学生进行儿童异常行为调查 ,结果表明 1～ 6年级小学生精神—习惯性抽动的发病率为 16 .39%。男女之间有显著性差异。影响因素为学生的学习成绩、教师对学生的态度和家长对孩子的教育方式。与家长的文化程度无关。 56 .6 7%的病例有躯体疾病为诱因 A survey of 732 students from 4 primary schools in Jianxi District of Luoyang City showed that the incidence of mental-habitual twitching among pupils in grades 1 to 6 was 16.39%. There are significant differences between men and women. The influencing factors are the students’ academic performance, the attitude of teachers to students and the way of parents educating their children. Has nothing to do with the parent’s educational level. 56 .6 7% of cases have somatic illness as an incentive