This study focuses on the reform and innovation of the blended teaching model for college English against the backdrop of digital transformation. In response to problems in traditional teaching

it firstly elaborates on the significance of such reform and innovation: realizing a student-centered paradigm shift by reshaping the teaching structure

empowering precise instruction and personalized learning through data-driven approaches

breaking cultural barriers and creating an immersive language environment with the support of intelligent technology

and constructing a comprehensive

multi-dimensional and whole-process intelligent evaluation ecosystem. On this basis

this study puts forwards four concrete implementation paths. First of all

it creates a new reading and writing teaching ecosystem featuring the collaboration between AI teaching assistants and human teachers to achieve hierarchical cultivation of basic and advanced abilities. Second

it constructs an immersive listening and speaking training field integrating virtual and real environments using VR/AR technologies. Third

it implements a precise intervention mechanism based on full-cycle data collection. Fourth

it builds a project-based integration path for Chinese cultural going global

which combines language skill training with telling China's stories well. The goal of this study is to comprehensively enhance the quality of college English teaching and students' comprehensive literacy through the deep integration of technology and instruction.