Abstract
According to the characteristics of vocational students’ limited knowledge of English and poor learning initiative and the English correspondence courses of foreign trade, it is necessary to propose teaching model reform based on the review of existing teaching reforms. Based on the CDIO concept, the "3+3 Promotion" teaching model reform is conducted. The questionnaire feedback indicates that students have improved their basic abilities, being more willing to participate in the classroom. Through school-enterprise cooperation, students and enterprises has a win-win situation. Students are satisfied with the overall evaluation of the classroom. Meanwhile, the teachers’ professional abilities have been improved. Enterprise resources also need to be further expanded; a conclusion is drawn that the reform of teaching mode is effective and that it is feasible for enterprises to participate in the teaching process.