The purpose of this study is to present a management improvement suggestion for better user satisfaction. For this, this research looked into the current issues of public libraries with literature review. Then a survey of eight hundred users in four libraries in Y-gu, D Metropolitan City was conducted to figure out users' needs. As a result, the purpose of use, visit frequency and programs demanded are turned out to show statistically significant differences. Based on this result, finally, this study suggests an advisable management direction for public libraries and practical ways to improve user satisfaction.