Under the background of digital education, this study mainly investigates foreign language teachers’ digital literacy and explores strategies for improving the digital literacy of them. This study focuses on 208 foreign language teachers in colleges and explores their digital literacy from five dimensions, which are digital awareness, utilization and development of digital resource, digital teaching skills, empowering learners, and professional development. It has found that college foreign language teachers’ digital literacy is at a high level. There exists no significant difference in digital literacy of foreign language teachers with different sexes, educational attainment and academic rank, but there is significant difference among foreign language teachers of different age groups. Based on the research results, corresponding improvement strategies are proposed to provide reference for the improvement of digital literacy among foreign language teachers in colleges.