Abstract: Objective To investigate the occurrence and correlationof attention deficit hyperactivity disorder(ADHD) and anxiety symptoms for middle school students in Ningbo,and to provide references for effectively promoting the psychological education among children and adolescents.Methods The stratified random cluster sampling method was used to extract 2 274 students from 4 middle schools in Ningbo city.The self compiled questionaire,the SNAP-Ⅳ rating scale and the self-rating anxiety Scale (SAS) were used to investigate.Results A total of 2 218 valid questionnaires were collected.The positive rate of anxiety was 14.8%,of which 11.1% were mild,2.7% were moderate and 1.1% were severe,the positive rate of attention deficit hyperactivity was 5.7%,the positive rate of attention deficit was 4.4%,the positive rate of hyperactivity / impulse was 1.4%.The light,medium and severe anxiety ratio of the attention deficit symptoms positive group were 24.7%(24/97),8.2%(8/97),3.1%(3/97),respectively;and the light,medium and severe anxiety ratio of the hyperactivity symptoms positive group were 20.0%(6/30),10.0%(3/30),33.3%(1/30),respectively;The severity of attention deficit symptoms and anxiety were positively correlated(r=0.129,P<0.01),the severity of hyperactivity symptoms and anxiety were positively correlated(r =0.063,P< 0.05).Conclusion The students with high score of the attention deficit hyperactivity symptoms have a high incidence of anxiety,and the attention deficit symptoms with high score have a higher incidence of anxiety,and it suggests that the intervention of anxiety should be one of the directions for the treatment of attention deficit hyperactivity symptoms.