The present study considers the issues of organization of activities aimed at prevention of manifestations of extremism and terrorism among migrant workers by local governments. The tasks assigned to local authorities are determined by national policy priorities and the local operational situation. There are specified a number of social effects that arise as a result of the influx of migrants, especially in the labor sphere. It is also noted that labor migrants may, under certain circumstances, become disseminators of extremism and terrorism ideology. Special attention is paid to the processes of involvement of migrants from Central Asia in illegal activities. In connection with the above stated circumstances, there are determined complex tasks concerning prevention of extremism manifestations in places of compact settlement of migrants, as well as the tasks of interdepartmental interaction, general, complex and additional preventive activities, targeted work with certain individuals. In conclusion it is emphasized that competent preventive work with labor migrants and the local community will allow to maintain peaceful interaction between different confessions and nationalities within a municipality.