Clinical pharmacists give valuable administrations to adult patients, however, their advantages for pediatric and neonatal patients are less characterized. Many studies state that medication errors in children are more common than in adults with a greater risk of death.Clinical Pharmacists are accepted as the primary source for providing evidence-based information and advice, to ensure the delivery of correct, safest, and most effective medication to patients. This paper presents a review of the role of clinical pharmacists in the pediatric unit and emphasis the importance of clinical pharmacists for all patients, especially in the pediatric age group.