This randomized controlled trial was carried on 100 children with pneumonia admitted to Children’s hospital, Cairo University. There were 47 male and 53 female. There age was between 2 and 60 months. They were divided into two groups, zinc group who receive elemental zinc (20 mg per day) for 14 days plus the hospital’s standard antimicrobial management and non zinc group who received the hospital’s standard antimicrobial management only. The outcome was reduction equivalent to 1 day hospital stay in zinc group.