Abstract
In this paper, a multiple regression tax incentive model is used to terrify the reasoning of Cobb-Douglas production function. Meanwhile, the industry research and development spending rate are worked as the dependent variables to represent the enterprise's development ability in the future, the income tax rate and circulation ratio are to testify how much tax breaks influence the independent innovation capacity of the whole industry. In this way, we get to know that industry production value can promote independent innovation effectively, turnover tax preferential and favorable income tax are not only beneficial to the improvement of the enterprise research and development personnel ratio, but also helps to accelerate capital investment. What's more, the favorable income tax has significant influence on the industry, etc.
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