This research aimed to describe the implementation of peer assessment in learning the basic skills of teaching conducted to the Arabic Education Department students of IAIN Sultan Amai Gorontalo especially in Micro Teaching course. The study was conducted in a qualitative approach. The data collection technique was the participant observation in which the researcher participated in it. The data were analyzed by using qualitative data analysis process by Milles and Huberman, including data collection, data reduction, data presentation, and conclusion. The results of the study: a) Micro Teaching course in the Arabic Education Department was held in two forms; (1) class seminar to learn the concepts and theories of teaching skills, and (2) teaching practicums to apply them. There were 6 skills learned: the skills of opening and closing the lessons, the skills of explaining the material, the skills to teaching variations, the skills of asking questions, the skills of giving reinforcement, and the skills of managing the classes, b) peer assessment was carried out by peer assessment sheet instruments that were filled in when the teaching practicum occurred. The results were then conveyed to all students and responded by supporting lecturers at each end of the practice as a reflection, and c) skills that had been well practiced by the students called opening and closing the lessons, explaining, asking questions, and managing classes. While the skills in teaching variations and provide reinforcement were not well-practiced. Peer assessment should be applied in student learning process at all levels of education.