A child or Adolescent is a person who is between the ages of eight and sixteen. The therapist who works in the investigation and treatment of issues of reasoning, feeling, or possibly harmful action that affect children, teenagers, and their families is known as a psychiatrist. A child and adolescent therapist provide families with the benefits of professional training, expert morals, and the clinical requirement of thorough consideration. It looks at the bio-psychosocial factors that influence the course and outcome of mental illnesses, as well as therapeutic responses to various interventions. To treat mental illnesses in children and adolescents, child and adolescent specialists primarily use psychotherapy or maybe drugs.