This study is to suggest the political measures for the domestic development of defense technologies and also export advancement of defence products. For this purpose we examined the current status of Korean defense industry and tried to study the reasonable measures for this study. For the domestic development of defense technologies, the following measures must be pursued. First of all, the reasonable and scientitific planning system for R&D of defense technologies must be rooted on. And also the related critical technologies with C4ISR, PGMs, EW must be obtained on the basis of cost-effectiveness analysis. And the political measures for enlarging the R&D investment of defense technologies must be pursued. For the export advancement of defense products, the measures of the enforcement of the development capability of new defense products, the enlargement of cross import-and-export, the enforcement of financial support for defense industry, the set up of the export management organization for defense products, the enforcement of export-related information attaining capability, and marketing capability enforcement must be pursued effectively. For these measures, the cooperative efforts of the government, the army force, R&D organization, and the academic school must be tried successively.