This Study tried to assess the role of community policing and how community policing helped for the prevention of human trafficking in Amhara region. The study applied qualitative research method, descriptive and explanatory case study research design and used comparative and thematic data analysis method.To realize the study, data were collected from informants through in-depth interview, focus group discussion, and document analysis. The study identified the major roles of community policing i.e. awareness creation, development and organizing role; role of proactively prevent human trafficking; role of collecting data’s and makes analysis related to human trafficking; and role of responding to human trafficking causing factors. In addition,the following were the major strength of community policing:its focus area of proactive crime prevention strategies, policing services availability, partnership, problem solving, solving local problems through local solutions, legal support for vulnerable groups, board of/multiple function, participating and organizing the community, advisory activities, gathering relevant information, arranging discussion forums within the community. Moreover, based on the findings the following were the weakness of community policing: it could not prevent human trafficking; unable to focus on strategic preventive measures, failure to change effectively all its roles in to practice, unable to get the full support of the communities and other stakeholders, absence of organizing the community policing service; weak to address the challenges; inability to conduct rehabilitation functions and money generating activities; unable to bring the necessary change with in the police and within the community. The study showed the following major challenges of community policing: leadership, capacity building and support, partnership and communication,resource, corruption and ethics emanated from institutions and the society. As a result, community policing was not effective in the prevention of human trafficking in Amhara region.