This study examines firstly concept and present condition of Policy Customer Relationship Management(PCRM) system which applying in the governmental dimension Customer Relationship Management(CRM) system of enterprises(proft-making organizations), comparison of PCRM and CRM, and definition of customer and customer classification process as a key of PCRM. Next, investigates applying plan in the other special libraries of governmental institution through the case study of Information Center on North Korea(special library attached to the Ministry of Unification) and relationship with different connection systems attempted in e-government(Enterprise Architecture). Lastly, through this, considers complemental issues for developmental fixation in special libraries.