Neurodevelopmental disorder is a disorder that occurs in different ways and is diagnosed in childhood involving central nervous system abnormalities. Neurodevelopmental disorder can be explained in children with autism spectrum disorder down, intellectual disability, learning disability, attention deficit hyperactivity disorder (ADHD), cerebral palsy. Children with ncan be affected in many dimensions developmentally, experientially and environmentally. It is known that children show special conditions in various subjects from their peers due to their physical, mental, social development and brain activities being affected. It is revealed that these special conditions affect peer relations in children's social lives, cognitive issues such as problem solving, analytical thinking, language development issues such as understanding and expression, as well as the child's balance and physical activity. By processing the information coming from visual, vestibular and proprioceptive systems together, the symptoms and characteristics of physical activities in body movements with the energy available by using the muscles in the balance and skeletal system are determined to a great extent. The characteristics of children with neurodevelopmental disorders, their assessment, the balance context and the level of physical activity are described.