Purpose: The aim of the study is to evaluate the possibility of giving student interns internlevel responsibilities and to discuss the various obstacles. Methods: Modifications were made to the student internship program, including rotations through major departments, for 4th-year medical students and was conducted at the College of Medicine, Kangwon National University. We surveyed 49 students for the evaluation of the program, administered a checklist evaluation for their performance, and interviewed two focus groups of faculties and residents to find out the obstacles of the program. Results: Most of the students answered that the program was satisfactory and necessary. Of the students, 71.4% performed as an acting intern. The mean score of the students performance was 84.1. The students had the most difficulty with time management and making diagnostic and management decisions. Initially, at the start of the program, both students and residents were somewhat confused about the student interns duties. They suggested that definite learning objectives, legal and institutional support to students clinical practice, and announcements to patients and hospital staff should be put in place prior to the implementation of such a program. Conclusion: We discovered that it was possible for student interns to perform at the level of interns. We suggest that systemic improvements continue for the establishment of such student internship program.