Kluver-Bucy syndrome is a rare neurobehavioral condition characterized by visual agnosia, excessive oral tendency, hypermetamorphosis, placidity, altered sexual behaviors, and changes in dietary habits. The authors report a case of Kluver-Bucy syndrome in a 10-year-old boy with non-Hodgkin lymphoma after intratechal methotrexate administration. He was treated by risperidone without any sequels.