Cloisonne is an ancient Chinese art form of decorating metal objects with enamel. The process involves soldering thin metal strips or wires onto a metal surface to form compartments which are then filled with powdered glass of different colors which are fused together and to the metal base by firing in a kiln. This article discusses the long history of cloisonne in China dating back over 1,500 years and its evolution over time as an important art form still practiced today.