This paper is concerned with an analysis of the impact of strike in logistics industry on the korean economy. Supply-Side Input-Output and Ritz-Spaulding models are employed. From the results of Supply-Side Input-Output model, if the supply in the logistics industry regarding to strike was decreased by 1,000 million won, the productions in the other 28 industries fell by 3,173 million won. But, from the results of Ritz-Spaulding model, the reduction in the production of the logistics industry with strike brought about 2,246 million won in the productions of the whole industries. Finally the impact of strike in logistics industry on the korean economy is bigger by about 3 times in the Supply-Side Input-Output model than in the Ritz-Spaulding model. And the logistics industry regarding to strike is very essential in the other industries as a production factor.