Abstract: This paper is concerned with the application of business intelligence data mining， prospective analysis and decision support based on ERP system of manufacturing enterprise. The business intelligence composes of BW and BO. BW seamlessly integrates with ERP system through standard data interface， process chain mines massive business data to data warehouse of enterprise. BO generates data tables from data warehouse according to different function requirement， supports further processing business analysis report by extracting data information from BW and allocating standard professional ways of display. The system helps enterprise managers to grasp business trend， find the development trendency and make scientific decision.

Key words: business intelligence, ERP, manufacturing enterprise, enterprise informatization