Abstract: The service quality of insurance company directly affect its reputation and customer’s purchase intentions,and the evaluation of the service quality involves many influencing factors.Using principal component analysis and factor analysis,a number of indicators can be processed together,so,concentrated information,the indexes of reduced dimension,simplified variable can be obtained.With the SPSS 21.0 statistical software,the survice quality questionare of ten insurance companies are studied,and a comprehensive evaluation function are constructed,which uses the variance of each principal component contribution rate as weight.This study is significant for insurance companies to improve their service quality.

Key words: principal component analysis；factor analysis；statistics application, service quality of insurance company