Addiction is one of the disasters, which in the present age is considered a threat to the progress of countries. Addiction and its problems is one of the issues that afflict the society and the youth and has a sensitive role and position in the field of prevention of addiction. Reduce the importance and value of the police and its functions in any society is not hidden from anyone. Aware, powerful and positively functioning police are a symbol of progress, prosperity and security and comfort in a country. The purpose of this study is to study the impact of police functions in the field of addiction prevention in the suburbs of Urmia. The present research has been done in a descriptive manner and various sources have been used to collect information. In the end, the results of the research showed that the performance and functions of the police in the field of prevention had a positive and significant effect; Therefore, it is recommended to strengthen specialized police in this field and use all capacities; In particular, police stations in marginal areas can play the greatest role in reducing the harm caused by addiction through cultural, social and educational programs.