This book has its original Title “Comparative Police System” based on CMO 21 s. 2005. However, on CMO no. 05, s. 2018 the title was modified into “Comparative Models of Policing”. The concept however does not significantly change as the learners must know the origin, nature, developments, principles and theories of police system as they are brought out in the community to regulate community’s behavior with reference to the direction provided by the government.