Abstract :
This paper briefly summarizes the enterprise accounting information system and the risks of this system. It studies on risk assessment and the basic content and principles of analytic hierarchy process. According to the characteristics of the current enterprise financial risk in each development stage, we use qualitative method for combining with comprehensive analysis, and provide a quantitative basis for analysis, decision-making and evaluation by mathematical methods. Then we build a risk assessment model of enterprise accounting information system - AHP model. It computes the risk indicator value of enterprise accounting information system by comprehensive indicators to assess and measure the financial position better, and proposes a preventive measure of security risk. Finally, this paper takes a risk assessment example for company´s accounting information system to verify the practical value of our model.