Market segmentation has become one of the most useful and effective tools used recently in marketing. However, despite this fact few studies of segmentation tools have been undertaken. The Primary Purpose of this research is to assess Korea`s Acid Beverages Market structure. This will be achieved by analyzing the household`s purchase preference data using the LCM method of post-hoc market segmentation methodology. For this, latent market structure using the choice probability was attained through the panel data to avert reliability problems of questionnaire had been proposed. Moreover, it is hoped that this will help to eliminate the subjectivity of researchers. This analysis process reveals much about the dynamic market response information, The findings of this research can be summarized as follows.