Abstract: Under the background of the rapid development of information technology, digital technology has profoundly changed every field of society. The wide application of digital technology has promoted great changes in education model, teaching method and learning experience. For higher vocational colleges, teachers'digital ability has become a key factor affecting the quality of talent training. Teachers with good digital ability can better integrate digital tools into teaching, stimulate students' interest in learning, and improve teaching results. This paper discusses the strategies to improve the digital ability of teachers in higher vocational colleges in order to promote the professional development of teachers and promote the digital teaching in higher vocational colleges to a higher level.

Key words: Digitalization, Higher vocational colleges, Digital ability, Professional development, Personnel training, Education and teaching