This paper introduces the different points and same points of OLAP and DM.and it expatiates and sums up some research hot topics of OLAM and some problems in the application of OLAM.

• 从应用的视角阐述了OLAP与DM的区别与联系,对当前OLAM领域的研究热点以及应用、存在的问题进行了详细的概括与阐述。