Inclusion Criteria:  meet both the criteria of ADHD based on the interview by the CDIS and clinical diagnosis with DSM-5; full-scale IQ estimated bythe Wechsler Intelligence Scale for Children-Revised Form (WISC-R) above 80; their parents volunteered to participate in this study.  Exclusion Criteria:  child with severe mental disorder or physical disease that might interfere the assessment and intervention, such as Autistic Spectrum Disorder(ASD), Schizophrenia, epilepsy, traumatic brain injury, etc.; parents with severe mental illness, such as schizophrenia, mood disorder (period of onset), etc..