Attention deficit hyperactivity disorder (ADHD) in children is one of the most common developmental behavioral disorders of childhood. Its prevalence is about 3-5% in school-age children, and it is more common in boys. The prevalence of ADHD in school-aged children is about 1%, and it is more common in boys. They are easily distracted and dazed in class, and are easily disturbed by the outside environment. ② Hyperactivity: High activity level and purposeless activities. Unable to listen quietly to a whole class, too many small movements. ③ Impulsivity: lack of control in social interactions, reckless behavior, forcibly joining or interrupting other people’s activities, behavior without regard for consequences, and easily getting into trouble. Treatment】Medication combined with behavioral treatment is the most effective treatment plan at present. Medication: Medication is the foundation and is one of the most effective methods of treatment. Excitatory drugs (Ritalin) have been used for nearly 60 years. Because of effective symptom control and good safety, it is the first-line drug consistently recommended by domestic and international treatment guidelines. ② Psycho-behavioral therapy: It has good effect for children with mild disease, but other treatment methods are needed for children with severe disease. Through behavioral therapy, good parent-child relationship can be established and a harmonious family atmosphere can be formed, which is conducive to restoring self-esteem and self-confidence of the child. At the same time, reasonable behavioral therapy can help children learn the correct learning and social habits, and promote the early recovery of learning and social functions. For example, sensory integration training, EEG biofeedback therapy, cognitive behavioral therapy and individual psychotherapy. ADHD in children is a chronic disease with complex causes, and it takes a long time to fundamentally improve or cure. Moreover, the doctor, parents and children have to establish a close partnership during the treatment process, parents have to change their education style, children have to undergo behavioral changes, and long-term follow-up is required.