[Purpose/significance] Under the background of the current subject service development environment, this paper aims to improve the service evaluation of the subject librarian. [Method/process] This paper builds the subject librarian service quality evaluation system which is based on the LibQUAL+^® library service quality evaluation model and user requirement,widely collects user contribution index and is combined with expert advice on the classification processing. It collects indicators provided from users before building a complete indicators system officially, and screens out of the subject librarian service quality evaluation indicators. What's more, it refers to the expert's opinions and suggestions, and follows the principle of determining the evaluation index, to form the evaluation indicator system on the basis of the modified indicators offered by users. In addition, this paper determines weights of indicators by the ways of Delphi method, analytic hierarchy process method, and factor analysis method.[Result/conclusion] Itforms a formal subject librarian service quality index system.