ADHD as a modern concept is not modern phenomenon at all, since its prevalence is known since age of Hippocrates. Although term ADHD through history was inconsistently used, now accepted definition says that attention deficit hyperactivity disorder(ADHD) is neurodevelopmental disorder defined by the pattern of inattention, disorganization and/or hyperactivity/impulsiveness that interfere with functioning. This disorder manifest itself through a lot of symptoms related to impulsiveness, inattention and hyperactivity. Etiology of ADHD is not fully understood, but numerous studies show that genetics, brain function disorder, neurobiological disorder, social and emotional difficulties could contribute to development of ADHD. Treatments for children with ADHD disorder, are focused on child itself, their families, school and medication therapy. The effectiveness of treatment for children with ADHD depends on noticing and assessing the symptoms of ADHD in early childhood precisely because some of the symptoms of ADHD develop even before the child starts elementary education. Unusual child's behavior in early education institution is easily and quickly noticed since all children are together in the same environment and conditions. Such unusual child's behavior is characterized by the child not listening to the reading of the story, constantly moving, jumping, creating the mess and distracting other children. Compared to the other children, a child with ADHD symptoms is restless, rash and unfocussed. Child with ADHD symptoms is impatient for it's turn for play during the group games. Teachers in early education institutions often work with children with ADHD symptoms. Therefore they are required to contribute to develop the environment in which all children are considered equally valuable and valued, both in theory and in practice. Children with ADHD symptoms do not have lack of skills, talents and abilities, bit lack of ability to regulate attention. Therefore, it is important to act in principle that enables the child to function adaptively.