This study aims to analyze the serum iron levels in children with recurrent respiratory and urinary infection . It includes 176 children who consulted the children department in Al-Assad University hospital in Lattakia and its external clinics during the period between 1/1/2012 and 1/1/2014 whose ages were between 1-9 years old . The recurrent respiratory infections were in 75 patients and the urinary recurrent infections in 21 patients. 80 healthy children didn't show any recurrent infection or chronic diseases. This study showed that the mean serum iron level in children with recurrent respiratory infection and those who had recurrent urinary infection compared to serum levels in healthy children was less . It is also found that recurrent respiratory and urinary infection increases with the reduction of hemoglobin.