This study surveyed and analyzed school library festival that is being carried out in elementary schools of Seoul region. In doing so, it carried out questionnaire and interview survey targeting people in charge of library and students who are participating in the school library festival. The findings can be summarized with such components as follows. Major characteristics of the programs of the school library festival, the impact of Decimal Classification on the festival, change of participants' interest in book, the satisfaction of library staff and students are included. Based on the findings, major suggestions were made on activation of the school library festival.