In learning process, teachers’ feedback plays a crucial role to improve students’ ability and motivation in which teachers’ feedback make students aware of their mistake and what they should improve. This study aims to find out how the types of feedback used by teachers of English Education Department (EED) of Universitas Muhammadiyah Yogyakarta (UMY) are given, and the effects of those feedbacks from students’ perspective. This study employed qualitative research using descriptive design. To gather the data, three students of EED of UMY batch 2013 who had fulfilled the requirement as her participant were chosen to be interviewed. This study had two findings. The first finding of this study showed that there were three types of feedback used by EED of UMY teacher. They were oral, written, and computer-mediated feedback. The second finding revealed the effects of those feedbacks. They were positive and negative effect. This study showed that positive effects of feedback consist of improving students’ motivation and developing students’ ability. In addition, clear feedback with clear explanation from teacher can improve students’ motivation. Additionally, unclear feedback was revealed to cause one negative effect that includes demotivating students. Furthermore, unclear feedback without example and explanation can make students demotivated. Therefore, the participants argued that a good feedback can increase their motivation and ability.