Objectve: Attention deficit with hyperactivity disorder is one of the most important mental disorders in childhood (ADHD). The American Psychiatric Associated has estimated it’s out bread between 3-5 Percent. On the other hand, writing is also one of the special needs in every Body’s life, and any disorders and difficulties in it, may lead to Many problems in making social communication and learning. In the study, using one of the most efficient Prehensioble tests, and furtherly analyzed the pre – writing skills in ADHD children. The goal of this study is to compare ADHD children with normal children in age group of 4-6 years of old.

Materials & Methods: The present study is a cross-sectional&case-control Study on 21 boys of about 4-6 years of old, without any mental disease record, orthopedic disease in hand either out any other affected diseases, and without the application of any occupational therapy. 21 boys of the some age were chosen as a control group. Pre – writing skills were analyzed utilizing EDPA test, and in two sections of pencil grasp and drawing skills. Test score’s ranking valued “between” 1-4 in every question.

Results: The T test results showed that the Pencil grasps and drawing skills in ADHD Children and normal Children are different. According to the T test, the average scores in ADHD children in pencil grasp is lower than normal children. The T test also showed differences between the two groups in drawing skills.

Conclusion: Generally, the results of this study showed ADHD children have weaker pre – writing skills than the normal children.