Theories of crime seem to descend from two major schools of criminology. The classical school of criminology which is based on the offender as a rational being, conscious of his criminal acts, and the positivist school of criminology concerning the sociological perspectives which influence the lives of individuals and affect them in a positive or negative way . The point of reference for this essay will be that when it comes to theories of crime, such as the theories of rational choice and routine activities, it will be examined what are the prevention strategies derived from these theories, their connection with their principles theoretical and what they can offer in terms of crime prevention. initiatives. The practical implications for rational choice perspectives and routine activities theory in the majority of cases provide obvious results in a short period of time and work in conjunction with offenders adopting specific crime patterns to commit offenses in a temporal and spatial perspective. Concerning sociological theories and in particular theory of the crime of social disorganization and its relationship with the theory of anomie to indicate the level, it will be indicated that thanks to development programs focused on the family and minors at high risk or already in state of delinquency, it is possible to achieve a level of community cohesion and through cohesive neighborhoods to effectively protect and assist parents in nurturing their children with moral standards for law-abiding behavior. When it comes to issues of public or private security and contemporary crime prevention measures, situational measures and social crime prevention initiatives seem to dominate crime prevention. scene with most strategies of crime prevention initiatives that arise from it. Rational choice theory of c...... middle of article ......R., J. and Groves, W. , B. (1989) 'Community Structure and Crime: Testing Social Disorganization Theory' American Journal of Sociology 94(4): 774-802 Tillyer, MS and Kennedy, DM (2008) 'Locating Focused Deterrence Approaches Within a Situational Crime Prevention Framework' Crime Prevention and Community SafetyWelsh, BC, Peel, M., Farrington, P., Elfers, H. and Braga, A. (2010) “Influence of research design on the results of crime and justice studies : a partial replication with public area surveillance” Journal of Experimental Criminology 7(2): 183-198. Wilson, SJ, Lipsey, M., W. (2007) “School-based interventions for aggressive and disruptive behavior: updated meta-analysis » American Journal of Preventive Medicine 33(2): 130-143. Wortley, R. (2001) « A classification of techniques for controlling crime precipitators » Security Journal 14: 63-82