The purpose of this study is to analyze the economic spreading effect, such as product, added value and employment, of the Yangsan Integrated Freight Terminal by input-output analysis. To analyze the economic impacts of the Yangsan Integrated Freight Terminal, it is supposed that the total sum of investment is 260,765 million Korean currency and the total sum of revenues is 3,514,182 million Korean currency. It has the economic effect of 630,392 million Korean currency(411,179 million in product, 219,213 million in added value) in the side of construction and 4,892,173 million Korean currency(2,505,009 million in product, 2,387,164 million in added value) in the side of operation. As a rasult, the Yangsan Integrated Freight Terminal has the total economic spreading effect of 5,522,565 million Korean currency directly and indirectly. And the total employment promotion sums up 115,118 man-year(8,234 in construction, 106.884 in operation).