Digitalization and greening are the two major trends of the new round of scientific and technological revolution and industrial change, and they are also two epochal characteristics of the new quality productivity. Based on the panel data of A-share listed companies in Shanghai and Shenzhen from 2012 to 2022, how digital transformation of enterprises empowers green innovation was studied. It is found that there is a significant promotion effect of digital transformation of enterprises on green innovation, which is more obvious for state-owned enterprises, low-financing enterprises, high-technology enterprises, non-resource city enterprises, enterprises in heavy pollution industry, and large-scale enterprises. The results of the mechanism of action suggest that digital technology can improve green innovation capacity by enhancing the transparency of corporate information and increasing R&D investment.