[en] This study reviewed the concepts of venture business and surveyed venture business support system nationwide. The venture business support system is summarized in depth to help the pre-entrepreneurs under establishing venture business. This study also reviewed the technology management system of KAERI and surveyed its historical accomplishment of technology transfer. Then, this study suggested its future direction by surveying the system of advanced countries and also suggested the measures to meet the future direction. The main finding of this study is that the direct investment to venture business by KAERI could greatly contribute to promoting venture business. Therefore, the government and KAERI should make efforts to change the technology management system toward the direct investment. Finally, this study concluded by offering policy suggestions to the government on improvement of technology management system