The present study addresses Attention Deficit Disorder and Hyperactivity Disorder (ADHD), a disorder characterized by its direct influence on the behavior of students and, consequently, on the teaching-learning process, which can generate personal, family and school conflicts. This research had as justification the search for knowledge about ADHD. The general objective of this study was to know and characterize ADHD, comprehending the main challenges and possibilities of pedagogical performance. The methodology used was the bibliographic review. We discuss in this study disorder is becoming more frequent in students in the initial grades, who initially present characteristics such as lack of attention and concentration, restlessness, behavi...