Development situation of China's audit market suggests that monopoly and excessive competitive market is not conducive to the healthy development of China's audit industry, the former is not conducive to fair competition, improve the auditing quality, also can't meet the needs of the consumers. The latter is not conducive to improve the audit efficiency and economies of scale. Most of the high quality customer resources are occupied by foreign public accounting firms on the audit market, and domestic accounting firms are in a competitive dis...