Whether the listed company has earning management problem , not only has the direct effect on the validity of the function of distribution resource of securities business , but also reflect the rationalization of management policies of the government 这些问题一方面直接关系到证券市场能否有效发挥资源配置的功能,而且反映出政府监管政策的合理性以及能否保证我国证券市场健康、稳定、持续的发展。