language impairment is a highly prevalent comorbidity in children with psychiatric disorders and behavioral problems (Beitchman et al., 2001). The most common psychiatric diagnosis among children with Delayed language development is ADHD, and conversely, Delayed language development is a frequent comorbidity found in children with ADHD. Despite the frequent co-occurrence of these two common disorders, there have been relatively few studies that specifically investigate language abilities of children with ADHD (McInnes et al., 2003). Therefore the main objective of this work was to evaluate language profile in ADHD children and to be able to determine whether there is a specific ADHD related language profile in preschoolers a comparison with another clinical group.