This study is on the functions, staffs. materials. material organization, facilities, public services, computerlizations and budgets of church libraris in Seoul, Korea. As a sample group. 7 church libraries which have 10,000 disciples are seclected. Many churches in Seoul have no library. so it is necessay that church managers have to interest about church library. The 7 libraries in this study have many problems of staffs. materials, facilities and budgets. The results of this study can be used for the management of church libraries.