This paper describes how the roles and functions of various community cultures that exist in universities in advancing Islamic education. Because the learning process is not only in the lecture bench. If that happens then the education process will run static not developing. With the culture of the communities in the tertiary institutions increasing the motivation and enthusiasm of learning of students in this case Islamic education. One of the communities that we highlighted, we studied is the role and function of the National Ideology Guards Community or abbreviated as KPIB, one of the Communities that gets recommendations from the Government in its formation in each tertiary institution through the Minister of Research, Technology and Higher Education Regulation (Permenristekdikti) No. 55 of 2018, concerning the Development of the Nation's Ideology in Student Activities in the campus environment. It turns out that after conducting observation and interviews as a form of data collection techniques, it can be seen and observed that the formation of communities can increase learning activities in tertiary institutions; 1. Students can explore more creative activities through community forums, 2. Students and lecturers can interact in discussions with more developed and in-depth studies, 3. Provide independence to students in managing various activities that support activities, 4 Promote extracurricular activities in the campus environment, 5. Development of campus communities becomes a means of publication for the campus in introducing more campus to the national and international level and 6. KPIB as a place for student activities in developing national studies, increasing the values of nationalism and patriotism