Data warehousing and On-line Analytical Processing(OLAP) are two of the significant new technologies in the business data processing and DSS area.The authors discuss a model of data warehousing solution basic on OLAP technology and L-B Computer Integration Manufacture System(LB CIMS).It is useful for improving the OLAP application in(data) warehouse.This paper discusses design and implemention of OLAP application to the business inventory Decision Support Systems.