Literature review: based on the current existing accounting professional morals are discussed by analyzing the present situation of reshape compatible with the socialist market economy of the accounting professional ethics, to determine the importance of remolding the accounting professional ethics guiding ideology, proposed the accounting professional ethics system, improve the accounting professional ethics mechanism to strengthen accounting supervision measures. Improve accountant professional morality and the quality of accounting information, and ensure that the accounting information authenticity, reliability to play the accounting in maintaining the order of the socialist market economy in an important role. And with external audit for the core of social supervision system, and make it become the accounting information reached the final hurdle external users, this YiJianDu system consummation degree and efficiency, to the accounting ?