This study was investigated to research art therapy trends focused on clay media, by analyzing articles publishedinKorea from 1994 to 2016. A total of 91 published theses and academic articles were categorized based on the purpose of the studies into the following types: investigation type, object and therapeutic aim of study, session organization, usage degree of clay media, and clay activity contents. The investigation type that combined both quantitative and qualitative methods was the most frequently conducted. A majority of the object of study focused on children, and group therapy was studied much more than personal therapy. In the therapeutic aim, it appeared, from most to least often, in as the following order: for the psychological recovery, for the improvement of interpersonal relationships, and for the self-growth. The sessions arewere mostly performed once a week for 60 minutes for 11 to 15 weeks. It was found that clay media was mostly used in every session. In addition, plasticine (clay) was more often used than natural clay in the studies examined. As the clay activity contents, the order in which they appeared in frequency were clay modeling, clay formative arts, and free expression. This study suggested there are problems of with the definition of the terms and highlighted the needs and limits of the art therapy focused on clay media in discussion.