The application of digital technology has become a new driving force to promote the development of enterprises. Based on 213 valid questionnaires of manufacturing enterprises in Zhejiang Province,the influence mechanism of internationalization mode on digital technology application is explained and empirically tested . The study finds that the internationalization of equity mode has a significant positive impact on the application of digital technology, and knowledge base significantly regulates the relationship between equity mode and digital technology application，knowledge search significantly negatively regulates the relationship between equity mode and digital technology application，knowledge base and knowledge search play a joint role between equity mode and digital technology application, and a higher knowledge base.