This paper introduces the design and implementation in insurance data analysing and decision-making based on business intelligence. This system implements the construction in data-warehouse, the development of data-mining and multidimensional data collection, and the implementation of integration of BI lay-out-layer using Sharepint Server 2007. Then it introduces the resolvation of this system, key technology and implementation, lay-out tools and effect with all the details and particulars. It has been widly and deeply used in some filiale of China Life insurance Co.Ltd. At last this paper provides that the key to implementing of BI is bringing up the application team with the promotion of management layer.