The Utilizing patterns of the library were grasped by the citation analysis of the foreign academic journals. From 2002 to 2003, the professors of J University in J city referred to 4,749 foreign journals in their 258 articles published in the domestic journals. Among them, 1,030 pieces on engineering, 741 on natural science, 2,286 on social sciences, 636 on human sciences and 56 on arts and sports were analyzed. The Result of the analysis showed that more journals were cited than the monographs in the fields of engineering, natural science and social science. In addition, 68.2% of the citations were out of the journals listed in SCI. The Journals within 6-10 years in their publication were the most preferably cited.