Seoul City has been operating 17 public libraries to bridge the digital gap in the information society. Digital collection that has used recently, is providing various information services and information sources such as Internet. DVDs, satellite broadcasts and plan to offer service with more contents in the near future. In an attempt to facilitate the use of digital archives in public libraries in Seoul, this study thus applies marketing strategy to Electronic Information Center in the S Library and techniques can contribute a dynamic approach to total strategy development for library professionals that will ensure effective management and the achievement for their goals.