This study aims to analyze the effect of the principle of Islamic consumption on Muslim Consumer Behavior in Students of the Faculty of Economics and Business, University of Muhammadiyah Yogyakarta. The basic principles of Islamic consumption studied include sharia principles, quantity principles, priority principles, social principles, and environmental rules. The sample used in this study was 100 students. This research is a survey research with a method of collecting data using a questionnaire. The analytical tool used in this study is Multiple Linear Regression. The results of the study indicate that simultaneously, the principle of Islamic consumption has a significant effect on the behavior of Muslim consumers of the students of the Faculty of Economics and Business, University of Muhammadiyah Yogyakarta. Of the five basic principles of Islamic consumption, students of the Faculty of Economics and Business have applied three principles of Islamic consumption. Islamic principles, social principles, and environmental rules have a positive and significant effect on Muslim consumer behavior while the principle of quantity and principle of priority does not have a positive and significant effect on the behavior of Muslim consumers.