This is a survey study to measure degrees of understanding regarding Information literacy in Korean university students based on ACRL standards. In the results of the survey there were no meaningful differences between individuals age, gender, major, and University. There were also no meaningful difference between the five ACRL standards. However, there were meaningful differences between the performance indicators in each standard. For example in the first standard, the performance indicator 'Determines the nature and extent of the information needed', <Defines the need for Information> had the highest score. <Identifies a Variety of Types and Formats>had the lowest score. In the second ‘Effective Access of Information', <Implements Search Strategies>had the highest score. In the third ‘Evaluate and Incorporate Information', <Applies Criteria for Evaluating>had the highest score>and <Interpretation of the Information through Discourse with Subject-Area Experts> had the lowest score. In the fourth ‘Use of Information', <Applies New Information>, <Communicates the Product to others> had the highest score. In the last ‘Information Ethics', there was no meaningful difference. This study also showed outcomes regarding the details in each standard.