The most representative ceramics of Josen dynasty are Bunchung sagi and Chunghwa backja. At the last stage of Goryeo, the Goryeo celadon porcelain is faded and Bunchung sagi is made at the beginning of Joseon dynasty. Bunchung sagi is a shortening of Bunchung hoichung sagi. It is grey-white ceramics that painting white powder clay on the grey-blue vessel. There are a sort of Bunchung sagi such as Inhwa bunchung, Sanggam bunchung, bakji bunchung and johwa bunchung. Specially, the pattern of Chulhwa bunchung that is made at Kyeryong mountain is powerful, simple and expressed freely. Chunghwa backja is a ceramic that using cobalt on white clay and draw patterns on body clay. After that, bake the ceramics by restoration and plasticity. The composition of pattern in Chunghwa backja is praying longevity, happiness and lucky physiognomy. In the pattern of longevity, there are a lot of bamboo pattern. The patterns such as mountain water pattern, cloud pattern and ten-longevity pattern are very realistic, simple and folk culture so everyone can feel the pleasure of ancestors.