Purpose: This study is aimed for provision of plan for building safety nets for discharged soldiers appearing as a result of national defense outsourcing. Currently, Republic of Korea runs national defense outsourcing in order to make cuts on defense budgets and maximize efficiency of military affairs. However, the safety nets making the most of discharged soldiers and system relative to re-socialization of jobs are yet to be prepared. Therefore, this study, based on precedented studies of Military, Sociology, Guard and Escort, and Civil Military Corporation, conducted an extensive literature study. Excavation of military related industries such as civil military corporations and guard and industry and support of engagement in duties requiring professional technology such as house management affairs thereafter will lead to the provision of social safety nets for discharged soldiers. Conclusions are as follows. Firstly, systematic supporting education for powering discharged soldiers through national defense outsourcing is a necessity. Secondly, social safety nets for discharged soldiers ought to be implemented lawfully and institutionally. Thirdly, persistent endeavor of Ministry of National Defense for reciprocally cooperating relationship between discharged soldiers and civil corporations through the achievement of systematic education support for discharged soldiers is necessary.