The first condition for students' mental health is

Normal intelligence. Inquiring about the prescribed information of students' mental health shows that students' mental health is investigated from the perspective of intellectual psychology, and the primary condition of students' mental health is normal intelligence. Teenagers' mental health means that teenagers have the characteristics of normal intelligence, emotional stability, stable interpersonal relationship, complete personality and strong social adaptability, and there is no long-term abnormal or excessive psychological problems and personality deviation.