The Research On Internal Control Evaluation Systems Of Listed Companies

Since entering into the twentieth century, in the global context, the frequency of financial fraud cases have brought significant economic losses, which contributed to the rapid development of enterprise internal control. At present, the remarkable achievement at abroad is the Sarbanes-Oxley Act of 2002 and the COSO.At home, relevant departments and theoretical circles increasingly attach great importance to the failures of internal control. In order to strengthen the construction of enterprise internal control, in 2008,China's Ministry of Finance joining hands with China Securities Supervisory Commission, the Audit Commission, China Banking Regulatory Commission and China Insurance Regulatory Commission officially released the "Basic Norms of Internal Control" and the draft of its supporting guidelines, which symbolizes the construction of the internal control system of Chinese enterprises to enter the legal track.Practice has proved that an enterprise having a sound internal control system is not the same as the one having an effective internal control, thus the important role of internal control evaluation becomes prominent. The evaluation of internal control is a vital means of improving the internal control systems and ensuring its effective implementation. Through internal control evaluation, it can help companies find and plug loopholes in management, strengthen internal management, improve enterprise competitiveness, and make a great significance in establishing a sound internal control systems and facilitating the achievement of the objectives of internal control. However, internal control evaluation at home is not perfect both on theories and practices. At present China has not promulgated a formal standard of internal control evaluation, so that some companies is not good at operating the work of evaluation due to a lack of guidance of authoritative norms. In fact, there are still many enterprises that have not paid enough attention to internal control evaluation, Therefore the evaluation is characterized by scatter and random, Therefore, it is necessary to study the internal control evaluation, establish a workable system of internal control evaluation, and further improve the internal control over construction.This paper makes use of a combination of normative analysis and empirical analysis and bases on the full study of the development of internal control evaluation at home and abroad. Firstly, it starts with the theoretical basis of internal control evaluation and introduces the concept, role and basic theories. And then it establishes the systems of internal control evaluation of listed companies in a comprehensive and systematic way. The index systems are based on "Basic Norms of Internal Control" and "Guidelines on Internal Control Applications" and establish separately from the effectiveness of internal control design and implementation. The methodology is based on the comparative analysis of evaluation methods, including systems surveying methods, systems recording methods, and comprehensive evaluation methods, etc.and lay great emphasis on the fuzzy comprehensive evaluation method. Then it makes a fuzzy comprehensive evaluation on Yangzhou Yaxing Bus Co., Ltd.'s internal control based on AHP.Finally,it comes to the conclusion: To improve the effectiveness of internal controls, companies should pay full attention to internal control evaluation; internal control evaluation will focus on building internal control evaluation system in line with the actual situation of companies, while building a system of internal control evaluation, the key point lies in selecting suitable evaluation index and scientific evaluation methods.