Abstract:In recent years, hazy weather is frequent and air pollution is more and more serious in China, so the measures for supporting the technology innovation of the haze control middle and small-sized enterprises is imperative. Such enterprises have some disadvantages, as the scale is not large, fund investment is limited, the channel of financing is single, professional and technical personnel is lack. Their technology innovation work need relevant strong policy support. This paper divides the policy system for supporting the technology innovation of haze control middle and small-sized enterprises in China into the following parts, including fiscal policy, tax policy, finance policy, talent policy and public service policy; discusses the active role of the policies for supporting the technology innovation of haze control middle and small-sized enterprises; analyzes the problem of policies for supporting the technology innovation of haze control middle and small-sized enterprises, such as the fiscal support is lack, tax policy is imperfect, finance support policy lacks pertinence, implement of technology policy is not effective, talent incentive policy exists defects and international cooperation technology innovation policy is absence, then puts forwards some solutions for solve these problems.