This paper deals with how people use public libraries. An attempt is made to distinguishbetween different user groups on the basis of how they use the library. The roles of thelibrary in relation to its users are also discussed.The paper is based on a user study with the cooperation of 195 users. The user studywas carried out at the Public Library of Alingsås 1994. As material for comparisonsimilar studies from Sweden, but even from Denmark, have been used.