The main purpose of this study is to induce important factors of a good performance of information intermediaries by developing the evaluation checklist. By employing the "Delphi Method", first step is to collect Delphi panel's (people who are/were in charge of reference and information services in university libraries) opinions by open questionnaire. Upon them, a constructive questionnaire is developed and sent out to experts to rank on the degree of importance of evaluation items. A final consensus among the experts is gotten in the second round of Delphi process. An evalution checklist of information intermediaries is established based on the study result. According the result of the study, the final evaluation checklist comprised seven parts with 191 items totally. That can be a reference to related fields and following researches.