By analyzing the features and shortage of the sci-tech innovation vouchers of Shanxi Province,this paper discusses targeted countermeasures and suggestions for optimizing the sci-tech innovation voucher policy,such as,expanding policy publicity of sci-tech innovation voucher,enhancing social awareness;improving management service function of sci-tech innovation voucher system;continuing to expand the support scope and service channel;exploring the new innovation voucher management mode;establishing innovation voucher interregional cooperation mechanism,to promote high-quality operation of sci-tech innovation voucher,and to serve sci-tech innovation of micro,small and medium enterprises.