Owing to the mergence of computer and telecommunication, not only the user's behaviors have changed, but also the user's ethics and morality have changed dramatically. The purpose of this article is to develop a proposal for teaching information ethics in library instruction program. First, the definition and scope of information ethics will be discussed. Second, the information ethics curriculum will be proposed for various kinds of user instruction programs. Finally, the author would like to make three suggestions on future development of teaching information ethics in library instruction program: I. enlargment of librarian's information ethics knowledge, 2. enhancement of librarian's teaching ability, 3. establishment of the information ethics center.