This research analyzed the influence of organizational socialization on the organizational commitment of military police officers of the state of Sergipe, in the Northeast Region of Brazil. The Organizational Socialization Inventory (ISO), the Organizational Commitment Scale and a socio-demographic data sheet were applied to 270 police officers. An exploratory factorial analysis of the ISO was performed, an internal structure was constituted by three factors (IORG, Domain of procedures and activities - DPA, Proactiviry and competence - P & C). Regarding the commitment, the indicators were used in relation to the degree of confidence for a scale used, as it is by affective, instrumental and normative bases. Multiple regression analysis pointed out the IORG and P & C factors as predictive variables of affective and normative commitment, although there was no determination on the instrumental. Summarizing, the cultural socialization (captained by the institution) and the socialization moved by the individual himself that had an effect on the positive links with the work organization.