A variety of psychological disorders can be seen in children and adolescents, specifically: Speech, cognitive, motor, and social interaction skills are constantly developing as children and adolescents grow. Problems in any of these areas can lead to psychological problems or mental disorders in children and adolescents. For example, mental retardation, speech and language development disorders, autism, learning disabilities, phonological disorders, stuttering, etc. Personality Development Problems Good personality is an important guarantee of mental health. Childhood and adolescence is a critical period for personality formation. At this stage, if influenced by various adverse factors, children are prone to form abnormal personality development, such as: low self-confidence, selfishness, lack of cooperation ability, etc. Emotional behavior disorder Emotional behavior disorder is the most common psychological disorder in children and adolescents, including: separation anxiety disorder, generalized anxiety disorder, phobia, school phobia, social phobia, obsessive-compulsive disorder, hysteria, attention deficit hyperactivity disorder, tic disorder, oppositional defiant disorder, conduct disorder, selective muteness, etc. Sleep and eating disorders Children and adolescents are prone to sleep and eating problems, such as: insomnia, night terrors, nightmares, sleep walking disorder, anorexia nervosa, bulimia nervosa, etc. Other psychological disorders Schizophrenia and affective disorders can also occur in children and adolescents and have a significant impact on the social functioning of the affected children.