ADHD is a common behavioral disorder in children, with a prevalence of 4.31% to 5.83% in Chinese school-age children and 3% to 6% reported abroad. Up to 70% of children with ADHD have symptoms that persist into adolescence, and the risk of developing antisocial personality disorder, criminal behavior and substance abuse in adulthood is 5 to 10 times higher than normal, seriously affecting an individual’s lifelong academic, occupational performance and social functioning. 1, the harm to the individual: the lighter the inattentiveness in learning, not active, resulting in a decline in grades; behavior can not be self-control, performance disobedience, discrimination. The serious ones have a significant decline in performance, can not follow the class, need special education; difficult to finish elementary school, junior high school, or even drop out of school. Behavior to cause trouble, interference with others; with the growth of age, by the influence of bad environment, fights, fights, lying, stealing, and even on the road to crime. 2, family harm: not only poor performance, but also anorexia, truancy; parents are often blamed by teachers, inevitably scolded, stick education to children, it is easy to cause parent-child relationship conflict. Some parents are so eager to see their children become a dragon that they supervise and accompany them to school every day, and even hire tutors at high prices, wasting a lot of time and money to no avail, bringing serious financial burden and pressure to the family and increasing internal conflicts. If the parents themselves are poor quality, usually manage not to teach, test scores single take home scolding, this situation undoubtedly intensifies the mental suffering and personality deformation of the affected child, so that the hostility, hatred, that is, to affect family harmony and parental marital relations. 3, school hazards: often disrupt the school order, fighting, brawling, arson, vandalism, low achievement, teachers spend a lot of effort to educate but also difficult to achieve results, seriously affect the quality of classroom teaching, so that teachers resentment. 4, the harm to society: ADHD to adolescence, because of poor self-control, by the social climate of lure easy to embark on the road to crime; adult still no self-control, easy to impulsive, good and bad, greedy for enjoyment, repeatedly taught, the crime rate is very high, affecting social security.