Abstract: The basic concepts of the Ensemble Prediction System (EPS) are addressed. A brief review is given on the development and implementation of the operational EPS at National Meteorological Center (NMC): the main components and their functions of the EPS/NMC, the interpretation of the EPS’ products and the routine uses in the Weather Forecast Offices (WFO). The future development issues of the EPS, the national-wide uses of the EPS products in the provincial WFO over China are discussed.