The application and proliferation of AIGC technology has ushered in a new era of digital literacy education. This paper provides a comprehensive analysis of the domestic and foreign advancements in digital literacy education for all in the context of AIGC, focusing on the policies and frameworks of China, the United Nations, the United States and the European Union, etc. It then delineates the change trend of digital literacy education for all from the dimensions of conceptual connotation, audience group and education model. Specifically, the concept has gradually evolved from information literacy and media literacy to a comprehensive concept integrating artificial intelligence literacy. The audience for this education has broadened to include all ages and professions, necessitating a shift towards a lifelong, personalized, and AI-integrated education model. Finally, six targeted strategies are proposed to improve digital literacy in the context of AIGC, including subject construction, curriculum system construction, user demand orientation, mixed teaching methods, open educational resources and teaching effect evaluation.