Monograph . — Moscow: Unity-Dana, 2010. — 303 s. A comprehensive study of the theoretical foundations of the construction and functioning of various types of models of the police system of a modern democratic state was conducted, their administrative and legal characteristics were given. The advantages and disadvantages of each type of police system of the state are shown: decentralized (fragmented), integrated (mixed) and centralized . The article analyzes both the legal and organizational bases of activity, as well as the constitutional and administrative-legal status of various elements of the police system of the USA, Great Britain, Germany, Austria and France.