| The important roles the small and medium enterprise play in boosting the economics has been recognized world widely.SMEs development can enhance the economy,rise ease employment pressure and speed up the development of high technology .However, SMEs are in a weak place of market competition. In order to promote the development of SMEs, the government set out tax perference policy sequentially. But whether these policies can truly promoting SMEs'development is an issue that deserves research.Based on the former research, the paper explores the influence of the tax perference policy on the performance of listed companies on the consolidated basis of previous studies through normative research and empirical research in the micro perspective. And the regression equation was obtained by backward analysis, using a sample of 408 SMEs which was recruited from small and medium-sized enterprises (SMEs) board. Variance analysis,correlation analysis and regression analysis are used to study the influence of the tax perference policy to SMEs'profitability and investment ability.The conclusions are as follows: Tax preferential benefit of degree is different from different regions, and tax preferential benefit of coverage is also different from different regions; Income tax preference have a significant positive correlation with SMEs'profitability and investment ability; Value-added tax (VAT) preference have a significant positive correlation with SMSEs'investment ability; Value-added tax (VAT) preference have a negative correlation with SMSEs'profitability at the first two years,but the negative influence diminish.We can find that the empirical result shows tax preference policies have a positive effect on performance of listed firms, but policy is not perfect. So in the end of the article, combining with the findings, from the perspectives of government, this study puts forward measures and suggestions to improve the the SMEs tax perference policy, hoping to provide theoretical support on making SMEs'tax perference policy. |