The author explored the survival and prosperity strategies for Korean public libraries in the age of information technology. She reviewed that public libraries can perform these strategies or not. On the basis of the review, she identified 5 problems of public libraries : shortage of libraries and collections, staff inefficiency, inadequate services, inefficient design of library facilities. And then she proposed solutions to improve the present state of public libraries in Korea ; campaigning for constructing libraries, increasing the materials budget, turning nonprofessional work to professional work of staff, and constructing libraries for safety and preservation.