This study examines the effect of technology trade on technological trade gap and the relation between technology trade and commodity trade. This study examines the status of technology trade brought about by the technological gap between Korea and major countries, and studying the role of technology trade affecting commodity trade by identifying the balance of technology trade. The purpose of this study is to investigate the technological level and the technological gap between the major countries of the national strategic technology, and the proportion of Korea s technology trade. The introduction of technology according to technological gap has been found to cause a deficit in the trade balance of technology, but it has a positive effect of bringing about a positive effect by inducing a trade surplus of commodity due to increase of product productivity. It is confirmed that the expansion of the volume of technology trade has a positive effect on the economic growth through the improvement of the trade balance of goods even if the technical trade deficit is increased due to the increase of technology costs due to the introduction of technology from developed countries.