The purpose of this cross-sectional study was to investigate information literacy competencies and their related, influencing factors among baccalaureate nursing students. The research instrument used in the study was the, Questionnaire on Nursing Students' Self-evaluated Information Literacy Competency (Cronbach's α .90). The 808 subjects were senior baccalaureate nursing students from three nursing schools located in northern Taiwan. The effective response rate was 95.9%. The results showed the following: (1) The mean information literacy competency among the subjects was 3.1 (4-point Likert Scale); (2) The information literacy competency among four-year bachelor nursing students was higher than that of two-year RN-to-bachelor nursing students; (3) the factors influencing the subjects' information literacy competency included time spent surfing the internet per day, performance in the General English Proficiency Test, ranking of academic achievement, frequency of visits to libraries, frequency of resource searches at libraries, whether they used Microsoft PowerPoint to make an oral presentation or not, etc. To promote nursing students' information literacy competency, the following learning activities are recommended for inclusion in the nursing curriculum: journal searching, introduction to MEDLINE or CINAHL, organization of books and reference materials and retrieval of information, and oral presentation with PowerPoint.