中文摘要：

在阐述电信运营企业市场竞争和营销活动中存在的问题的基础上，结合电信企业的特点，分析了在该行业营销领域采用交叉销售策略的必要性，并将数据挖掘中的关联规则分析法应用于交叉销售分析中。详细介绍了关联规则分析法中的Apriori算法原理，并用该算法对电信业务数据进行了分析，给出了业务之间的关联，为企业实施交叉销售提供了有力的数据支持。

英文摘要：

The telecommunication industry＇s problem is expounded which they come up to in market competition and action of sales, and then the need of applying the cross-selling strategy is analyzed to the industry on the basis of combining the enterprise＇s characteristic. The analysis method of association in data mining technology is applied to the analysis of cross-selling. And then the theory of the Apriori algorithm is introduced in detail. In the end, we use the algorithm to analyses a series of data and then find out the relation of the businesses, develop data support for enterprise＇s cross-selling strategy.