In the period of the Prophet, the mosque not only as a place of worship but served as the center of all activities of Muslims. But today, the mosque functions are limited. In the response of Muslims, a mosque is the last day place. The issue of the world is not in the mosque where they are. Because of the issues of social culture was removed from the mosque, the relation between worship and culture was broken. So worship cannot control social and culture anymore. This study focuses on hadith as a source of Islamic teaching after The Quran which is addressed to know the function of the mosque.
The questions to be answered in this research are: (1) What is the function of a mosque in the hadith perspective? (2) What are the differences between the functions of the mosque in the past and present? To answer those two questions, this study fully utilizes the literature (Research Library) using thematic methods, by collecting the Hadîts relating to the topic and classifying them. Besides, use historical- contextual approach to straighten out any misunderstanding of Muslims at this time about the functions of mosques, or to give at least historical description of the mosque in the history of Muslims as a whole, as well as to explain what we should do to enliven the mosque. The results of the analysis of the study showed that the role and function of the mosque have been a change and a shift from time to time. In modern times, the mosque still felt his presence by the Muslim community. This is because the implementation of the function and role of the mosque is not maximized.