. The problem that often arise in the study is the lack of understanding of the hidden curriculum so the teacher does not know the positive impact of the hidden curriculum activity itself, despite the fact that the hidden curriculum activities are often carried out in the learning process. This study was aimed to describe the hidden curriculum implementation strategy on educational subjects of Al-Islam in SD Muhammadiyah I Yogyakarta Wirobrajan academic year 2017/2018. The method used in this research was descriptive qualitative and the data collection technique used observation, interviews, and documentation. The results showed that the implementation of the hidden curriculum on the educational subjects of Al-Islam had positive habit to students during the learning process by using expository and inquiry strategy for the achievement of school goals along with the vision and mission of the school established to form Islamic generation, knowledgeable, noble, and cultured.