This study was conducted on 30 children who were recruited from the Childhood cancer survivors' clinic at the Pediatric hospital , Ainshams university. All of them have been in complete remission for at least 12 months. Assessment of the survivors' Quality of life was done by using The PedsQL 4.0 Generic and Cancer. ( parent and child record). Assessment of survivors' cognitive functions was done using The Wechsler intelligence scale for children. Also assessment of the presence of behavioral problems was done using Child Behavior Checklist (CBCL).