Inclusion Criteria:  Children aged 4 years, 0 months and 10 years old and 11 months old, who have been diagnosed by a doctor who is at least the attending physician in the pediatric psychiatric department and meet the American Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition) ADHD diagnostic criteria, have a total IQ higher than 80, and the subjects are doing this The baseline level of the study has not received any medical treatment before.  Exclusion Criteria:  Attention deficit disorder caused by organic diseases of the nervous system, extensive developmental disorders, mental retardation, childhood schizophrenia, mood disorders, epilepsy, and other organic diseases or other primary mental disorders; exclude parents or guardians from suffering Severe mental illness, such as schizophrenia, mood disorders (onset period), etc., and a degree below junior high school.