<p>The ternary system, which is an innovative teaching mode in education, emphasizes on the ternary subjects, the ternary roles and the ternary qualities. The ternary subjects mainly refer to taking schools, enterprises and students as the main part of education; the ternary roles refer to the school, staff and teachers; the ternary qualities emphasize the character of the personnel, theoretical literacy and the level of skills in society. Building the ternary system mode of tourism professionals training has an important guiding significance to the innovation and reform of tourism major teaching. This paper mainly introduces the ternary system, analyzes the necessity of the ternary system training for tourism professionals and explores the effective countermeasures of using the ternary system to train tourism professionals.</p>