Secondary vocational school students is different from ordinary high school students and university students,especially in the aspect of English teaching and learning.In view of the special career orientation of secondary vocational school education.English teaching methods in secondary vocational schools should have more practical and targeted. Used the Role Letter’s Therapy in English teaching can help students develop interest in learning English and learning initiative consciousness. In this paper I will talk about the important of the Role Letter’s Therapy in English teaching of Secondary vocational school,and how to use it. Secondary vocational school students are different from ordinary high school students and university students, especially in the aspect of English teaching and learning. View of the special career orientation of secondary vocational school education. English teaching methods in secondary vocational schools should have more practical and Used the Role Letter’s Therapy in English teaching can help students develop interest in learning English and learning initiative consciousness. In this paper I will talk about the important of the Role Letter’s Therapy in English teaching of Secondary vocational school, and how to use it .