Abstract: The goal of this paper is to give the norm system of performance evaluation model and set up performance evaluation model for enterprises’ technological innovation based on a BP network under network environment.According to a model based on ANN and used to analyzing relation between the performance and its influence factors,we can give key factors that influence performance of technological innovation under network environment,it provides guidance for performance control.

Key words: network environment, techological innovation, performance evaluation, norm system, BP network