Since the Ministry of Education of the Republic of China introduced
Internet to the academic and research circles in Taiwan and established its
TANet systems, there has been an accelerating rate for the use of international
document delivery services. Document delivery includes electronic and printed
documents. This article examines, in terms of "the supply of" and "the access
to" electronic document, current applications of and library's adjustment to
document delivery in Taiwan, and the impact of printed document delivery on
journal article service. This article also discusses the establishment,
connection methods, searching functions, document delivery methods and features
of Uncover database as well as its impact on libraries.