儿童期的一种常见病症,主要表现为活动过多,注意力不集中,语言过多,易冲动、任性、无意识的小动作,明显的情绪障碍,易发怒等,有的患儿尚伴有知觉与认知能力障碍等。据统计一般男孩发病多于女孩,比例约为9:1,以5-7岁发病率最高。患儿智力多数正常。造成儿童多动症的病因尚不十分清楚。 A common childhood illness, mainly for hyperactivity, inattention, excessive language, impulsive, capricious, unconscious tricks, obvious emotional disorders, irritability, etc., and some children are still associated with perception And cognitive impairment and so on. According to statistics, more boys than girls in general incidence, the ratio is about 9: 1, the highest incidence of 5-7 years old. Most children with normal intelligence. The cause of ADHD in children is not yet clear.