The application of the association rule algorithm to the car sales is analyzed.A way of data preprocessing and transformation is given and the flow chart of the algorithm is presented.

• 摘要通过对汽车销售历史数据进行概化和总结，给出关联规则挖掘算法，并针对具体的事例加以分析，进行各个客户购买属性之间的关联规则的挖掘。