This research aims at investigating types of instructional media most frequently used by EED of UMY students to teach English in the internship program, the benefits and the challenges of using instructional media in the internship program. The researcher used survey design under quantitative research approach. The researcher selected 144 students from EED of UMY batch 2014 as the sample of this research using random sampling. The researcher used questionnaire as instrument of this research. Then, the researcher analyzed the data through descriptive statistics using SPSS program version 20.The result of the first research question showed that the types of instructional media most frequently used by EED of UMY students in the internship program was audio-visual media (52%, n=97), followed by visual media (27%, n=50) and audio media (21%, n=37). In detail, the type of audio-visual media mostly used was video (63%). Then, flashcard (25%) was the type of visual media mostly used by the students, while for the audio type, song (59%) was the media most commonly used by the students. The result of the second research question presented that the benefits perceived by EED of UMY students to be the most significant when using instructional media to teach English in the internship program was that instructional media have helped students teaching English easily. That item got the highest mean score of 3.74 and it belongs to high category. The result of the third research question demonstrated that the challenges most frequently encountered by EED of UMY students when using instructional media to teach English in the internship program was about the limited of instructional media. Among seven items, that item got the highest mean score of 2.33 which belongs to often category.