Stamp tax is one of the hottest topics in China’s Securities Market now. Although it is an important tax type in the securities market of our country， domestic research shows adjusting the stamp tax hasn’t reached the expected goal such as increased the fiscal revenue， stabilized the market， taxed fairly. Also the function of stamp tax is overestimated. However the way that the government intends to change the stamp duty rate in order to influence the stock market also exposed our stamp duty system’s immature. Firstly this article lists many cases from both here and aboard on how to arrange the stamp duty system， and straightens out the main stream of reforming the system. Then through the study on our stamp duty system， the article list out the main deficiencies in stamp tax system. At last， based on the reform principle: broader the tax collection basis and differential tariff， the article study deeply on how to design the tax system and then find out the most suitable proposal for our current stork market development.
