The over glaze decoration is one of the most important categories of decoration in Jingdezhen The wares with the over glaze decoration are produced in large quantities and a great number of workers are involved in the production.

The main materials for the over glaze decoration on ceramics include the ceramic over glaze pigment coloring agent and tools for decorations.The traditional over glaze decorative colors in Jingdezhen include gucai  (antique colors) fen-cai (famille rose,jaune or noire)and color enamels.In modern times,fen-cai and new color pigments constitute the majority Due to the complicated skills in applying the fen-cai decoration thus the following is a systematic explanation of the complete technological process with the fen-cai decoration as a typical example.