Abstract: This empirical study, in access to efficient and effective archival service, explored people's information source belief and preferences by observing the selection and adoption of information source. Based on the valid data of 112 subjects through the comprehensive research methodology including interview and questionnaire and SPSS 17.0, the major findings were as follows: information type explained the main factor of information source utilization strategy; significant differences occurred between archival users of different levels; cognitive style was significant individual variable, which deeply affected information source preferences. Some measures were proposed according to the results of this study: differentiated service should be offered for archival users with different needs; organizations should gain more popularity of information source among the archival primary users in order to improve their archival information source horizons; it should provide platforms to explore the information circulation via crowdsourcing algorithm and realize virtuous archives utilization in return.