Developing circular economy is an important measure of adjusting economic structure and layout, and realizing the economic growth pattern, chemical industrial park is a kind of chemical industry intensive development pattern. Developing circular economy in chemical industrial park can make the layout in upstream and downstream enterprises distribute reasonablly, associate products link into a chain and compost into network, and realize the highly comprehensive utilization of resources. The general situation of Shijiazhuang Chemical Industry Park, the application of circular economy in the park and the economic benefit and social benefit that brought by the construction of circular economy industrial chain were introduced.