Chemical peeling is a procedure used for cosmetic improvement of skin or for treatment of some skin disorders. The chemical exfoliating agent is applied to the skin to destruct portions of epidermis and/or dermis with subsequent regeneration and rejuvenation of the tissuesAlpha-hydroxy acids (Such as Glycolic acid and lactic acid) have been recognized as important adjunctive therapeutic elements in a variety of skin disorders including actinic damage, seborrheic keratosis, photodamage, hyperpigmentation and acneassess the prevalence of H pylori infection in children with recurrentabdominal pain attending the out patient pediatric clinic of Zagaziguniversity hospital.