Tax Policy Toward The Listed Company In The Quality Of Research

China's taxation system has entered a new adjustment period at present. The change of tax collection and listed companies'earnings quality caused accordingly by the adjustments of tax structure and the reform trends of tax categories is the issue requiring strategic thinking. The promulgation and implementation of"Two Taxes Merger"not only achieves the unity of income taxes, but also establishes tax environment for fair competition, which is beneficial to the healthy and balanced development of market economy. Under the influence of the policy, the tax work standards which Tax collection authority based on change, and the tax collection is adjusted at the same time; the nominal income tax rate of listed company changes with the floating degree of earnings management. Besides, tax collection and earnings quality have an interactive effect exists in Tax Administration Game.So then, what kind of impact would the implementation of the policy of the two taxes'consolidation bring out on the tax collection of tax collection agencies and listed companies'earnings quality, and how are they interacted? Under the background of the two tax merger, this paper referenced the latest research from home and abroad, based on the actual situation in China, constructed the game model between tax collection and earnings quality, and analyzed the two taxes merger policy on tax collection and earnings quality.The empirical results showed that: After the implementation of the two tax merger policy, tax collection authority improved tax collection efforts, and the tax collection efforts increased faster than the previous; after the promulgation of the policy, earnings quality of listed company whose nominal income tax rate changed has decreased greatly, and its earnings quality was poor than listed company whose nominal income tax rate didn't change. In the context of the policy, improved tax collection efforts inhibited the earnings management of listed companies whose nominal income tax rate didn't change, but the inhibitory effect to those listed companies whose nominal income tax rate changed was not significant.