This study aims to analyze of the traditional play-related cultural products in Korea, China, and Japan to develop cultural products design strategies of the Korean Masque. As for the study methods and contents, the characteristics of the traditional plays in Korea, China, and Japan, the concept of cultural products, and previous research were reviewed in literature as well as prior research on traditional plays in Korea, China, and Japan and the cultural products. Then, product kinds, design motifs, and a price zone were analyzed and compared in cultural products sold in traditional play theaters. The study results were summarized as follows.