- The Faculty of Engineering is one of five faculties on the Asahan University campus is where researchers conduct research that has three majors including the Department of Civil Engineering, Informatics Engineering, Mechanical Engineering, currently the Faculty of Engineering does not have a promotion service to this community causing information not to be delivered to the public. Faculty of Engineering promotion media website designed to display information, text, images or a combination of them, both static and dynamic which forms a series of interconnected systems where each is connected with the menu page on the website. This system is a web-based system developed with using the prototype method is an object oriented method. The functional approach described on the system using UML (Unified Modeling Language). The results of the study indicate that the device software that is built can provide the information that is needed well. Thus, this application can be used as a promotional media for the Faculty of Engineering, Asahan University. Keywords - Promotion Media, Faculty of Engineering, University of Asahan, We