Appropriate strategies for implementing preventive programs, is very important. And it emphasizes the need to formulate specific strategies. The purpose of this research, Determine police strategies for the prevention of child and adolescent crime. this research In terms of purpose, Practical And it's kind of a descriptive survey. Identify the Delphi method of internal and external police agents for the prevention of child and adolescent crime, Their ranking and importance coefficient were determined, Then EFE and IFE matrices are prepared, And formulate appropriate strategies with SOWT and IE matrices, And finally, by sketching the QSPM matrix, the strategies are prioritized. Statistical population in research, Police experts and experts, 156 people and The sample size was calculated based on Cochran formula of 111 individuals. Police Prevention Structure and Legal Requirements for Crime Prevention, As a voyeuristic act First and foremost, the strengths, And a weakness in police professionalism, And presenting applications They are in the first and second priority. High police media capacities And the special attention of the authorities and the elite to crime prevention, In the first and second places only, And the growth of criminogenic factors And a weakness in cross-sectoral coordination in crime prevention agencies and agencies, They are in the first order.