This study aims at looking into the aspect of sociopragmatic failure of North Korean defectors occurred from values and linguistic cultural differences seen from a Cross-cultural Pragmatic point of view in relation with communication problems between the two Koreans while the defectives have lived in South Korea. This method is an approach to the culture of South and North Korea from an culture specific point of view, and tries to focus on pragmatic matters shown at doing communication owing to mutually different cultural backgrounds. However, different cultural differences brought about shortage of pragmatic competence by which communication was possible so as to fit to the context and situation, and pragmatic failure occurred accordingly. Pragmatic failure means that the intended speech of North Korean defectors is delivered with other meaning or causes misunderstanding and unfavorable results to the counterpart due to the shortage of pragmatic competence on Korean language and linguistic usage knowledge in communication between the two Koreans. In particular, this research regards the speech-producing part which makes the two Koreans feel absurdness, rudeness, and ambiguity in mutual conversations as occurred part of pragmatic failure. This study intends to focus on the aspect of sociopragmatic failure that occurs from shortage of sociocultural competence on the target language. Therefore, this study reviews the aspect of sociopragmatic failure by objecting North Korean defectors, and mainly tries to consider direct speeches from indirectness among a subcategory of sociopragmatic failure reasons and appropriateness according to contexts. (Yonsei University)