ADHD, also known as attention deficit hyperactivity disorder, is a common type of psychological disorder in childhood, manifested by inattention and short attention span, hyperactivity and impulsivity that are incompatible with age and developmental level, often accompanied by learning difficulties, conduct disorder and maladjustment. The prevalence of ADHD is 3% to 7%, with a male to female ratio of 4 to 9:1. Some children with ADHD continue to have symptoms in adulthood, which significantly affects their schooling, physical and mental health, as well as their family life and social skills in adulthood. The treatment of ADHD in children mainly adopts a combination of measures, requiring the cooperation of teachers, parents and physicians. 1.Medication: Medication is required when social function is significantly impaired. Drugs can improve attention deficit, reduce activity level, improve academic performance to a certain extent, and improve the relationship between patients and family members in the short term. At present, there are two major categories of drugs in clinical use: (1) Central stimulants as the first-line treatment drugs, at present, the main domestic methylphenidate and its controlled-release tablets. (2) Selective norepinephrine reuptake inhibitors, the representative drug is tomoxetine. (2) Psychological behavior modification: including cognitive-behavioral therapy, behavior therapy, parent training, school intervention, etc. Psychological, educational and behavioral therapy should not discriminate or scold the affected children in order to avoid causing trauma to them. However, it should not be left unattended either. Education should be provided to point out shortcomings and correct undesirable behaviors, and slight progress should be encouraged to enhance confidence in overcoming shortcomings. Training to focus attention and avoiding irrelevant stimuli in the environment. 3, other treatments: such as neurofeedback therapy, such as audio-visual integration continuous execution test, transcranial microcurrent stimulation therapy, etc.; sensory integration training; Chinese medicine, etc.