Abstract: The application and research of Decision Support Systems (DSS) in China were summarised. The main application fruits in the area of government macro management, industry programming management, resources developing and utilities, water resource planning and flood control, environment management, finance and investment decision, enterprise production and operation management were concluded. The contributions of Chinese scholars were expatiated. Two interesting topics of DSS in China were discussed and its developing trends were analyzed. The key technique and research areas of DSS in the future were introduced, which will supply references for intention research and application of DSS in China.