This document discusses the purpose and operation of archives. It begins with the theoretical background of archives, including their definition as institutions that collect and preserve historical materials, and the different types of archives like business, ethnic, and university archives. It then discusses the main purposes of archives, which are to preserve materials, transfer information to viewers, and serve the public. The next section covers the operation of archives and some of the challenges they face. The document concludes with a list of references on the topic of archives.