Abstract: This paper summarizes the existing college mobile library service quality evaluation index, using the correlation- principal component analysis method of the original service quality evaluation indexes selection of University mobile library, reduce the evaluation index system of College mobile library service quality of each index in the same criterion layer information between double degree, so that each index of service quality index system of University Library in the mobile has a significant impact on the evaluation results.

Key words: service quality; mobile library; evaluation indicators system; factor analysis