In the era of knowledge economy, the rapid change of social environment,decision method is getting more and more complex and changeable,requirements are reflected on the accounting information from different angles,accounting information demanders of accounting information demand tend topersonalized, it can be said that this is a Tastes differ all tastes. era. In this paper, through the four stages of analysis of development characteristics of accounting information system, and the defects in each stage and shortcomings, aiming at these problems, puts forward some countermeasures and suggestions, to standardize the accounting information system, enhance the security of accounting information system, to improve the understanding ofaccounting information system, pay attention to theoretical research and accounting information system dynamic optimization the establishment of.

A sharp change in the social environment of the knowledge economy era, the decision-making method is an increasingly complex and changeable, requirements from different angles to reflect the accounting information, accounting information demanders of accounting information tend to personalized demand, this is an era of all tastes, so to speak. Four stages in this article, through analyzing the development characteristics of accounting information system, and in various stages of the defects and deficiencies, and puts forward some countermeasures to solve these problems, the purpose is to strengthen the standardization of accounting information system, enhancing the security of accounting information system, improve the understanding of the accounting information system, attach importance to theoretical research, and to set up dynamic optimization of the accounting information system.