Life insurance products are special financial products.To customers they''re a security and a potential revenue,while to the life insurance companies they are a kind of financing behavior and intangible produts with commitment.So the sale of life insurance products has its particularity.This article introduced the concept of data mining,followed by introduction of the mechanism of data mining in the life insurance industries,a detailed empirical study and deeper analysis of its conclusions. Hopefully the paper will be of some reference to the development and sales of life insurance products in China.