In the Korean study, there is a problem that in our country the domestic Korean elementary and intermediate learners' oral Korean level is generally higher than that of listening level; started learning Korean in South Korea's elementary and intermediate learners' listening level than the general level of oral Korean. This raises a problem, learning Korean learners in the target country, Oral Korean level is relatively weak in the domestic Korean learners because there are many causes existed, one of causes is the selection of supplementary materials.