Since Korea Police Agency had established in 1948, our police have developed with many difficulty. And now, our police have diversity in policing through decentralization and democratization of police organization. But, new policing methods has introduced without our social control system which have based on national police system, without considering basic principles of our police systems. new policing methods are as follows.; enlargement private policeing, introducing community policing, introducing police service, introducing privatization of policing. Therefore, this study examined development process of police conception and policing which is based on many police studies. And this study suggested how we can understand Multilateralization of Policing in Korea. Because basic police conception, public safety and order maintenance function is never changable in spite of various changes in policing.