As the development of network technology, the application of information technology in the senior vocational English teaching has aroused great concern. How to apply information technology properly in senior vocational English teaching, to build new teaching pattern suitable for students' personalized learning, is an issue that every English teacher must be confronted with. This paper analyses the problems existing in senior vocational English teaching, and offers countermeasure of applying information technology in it, aimed at playing a role of throwing a sprat to catch a whale.