In learning English, there are several media that can be used. One of the media is authentic materials and it is beneficial both for the teacher and also for the students. However authentic materials are rarely used in class activity. This study aims to reveal 1) the types of authentic materials used by the teacher in the teaching and learning process as perceived by the students in writing class at English Education Department of Universitas Muhammadiyah Yogyakarta (EED of UMY); 2) the significances of using authentic materials in writing class at English Education Department of Universitas Muhammadiyah Yogyakarta EED of UMY; 3) the difficulties of using authentic materials in writing class at English Education Department of Universitas Muhammadiyah Yogyakarta EED of UMY.