The current research aims at introducing the most important jobs and roles of mosque in our Islamic society. As it is one of the important religious and educational facilities specially at our present days due to the conflicting social and political circumstances we are witnessing.The research falls in four sections: the first sets the methods used, and the second talks about the important roles and jobs of the mosque in our society. The third talks about the important aspects of twisted behaviours of youths in our times. Finally, the fourth part deals with results concluded in addition to some suggestions and recommendations in order to activate the role of mosque in our society to eliminate these bad aspects.