In order to further improve the equity financing efficiency of listed companies in strategic emerging industries. this paper selects relevant data of 208 listed companies in strategic emerging industries from 2014 to 2018. and calculates the changes in scale efficiency. pure technical efficiency and total factor productivity through the Data envelopment analysis (DEA)-Malmquist model. https://www.lullabylanebabyshops.shop/product-category/mittens/