儿童多动症是一种常见的儿童行为异常综合症,是智力正常或基本正常的儿童,具有与年龄不相符的注意集中困难、行为冲动性和活动过度的特点,因而学习困难,学习成绩及社会适应能力差。这类患儿长大后,多动症状可逐渐减轻或消失,但其违法行为、教育困难、病态人格等精神障碍仍高于常人。我国在学龄儿童中的患病率在1.3%-13.4%之间。其起病始于学龄前,但能确诊者多为学龄期,约占全体小学生的1%-10%。男多于女,其比例4:1至9:1。 ADHD is a common childhood behavioral syndrome that is normal or almost normal children with age-specific attention-finding difficulties, behavioral impulsivity and hyperactivity, resulting in learning difficulties, academic performance and social adjustment poor ability. Such children grow up, hyperactivity symptoms may gradually reduce or disappear, but its illegal behavior, education, mental illness and other mental disorders is still higher than ordinary people. The prevalence of school-age children in our country is between 1.3% and 13.4%. The onset began in preschool, but can be diagnosed mostly for school age, accounting for about 1% -10% of primary school children. More men than women, the ratio of 4: 1 to 9: 1.