This study aimed to analyze economic impacts of Sports Toto business based on input-output analysis. Data on business operation cost for the Sports Toto and expenditure of Korea Sports Promotion Fund, 2007-2010 input-out tables of the Bank of Korea were used for input-out analysis. Products induced by the Sports Toto Business were \2,020.5 billion in 2007, \2,399.6 billion in 2008, \2,813.2 billion in 2009, \3,207.5 billion in 2010. Induced added value were \910.9 billion in 2007, \698.6 billion in 2008, \1,179.1 billion in 2009, 1,348.3 billion in 2010. Induced employments were 12,939 persons in 2007, 14,467 persons in 2008, 17,067 in 2009, 19,138 in 2010. While economic impacts have increased, the rate of increase gradually decreased.