| The language is a magic weapon of a teacher, is crucial for the success of a classroom. In short " Sharpen your tool before achieve your work", to give a good lesson the teacher must have good language ability first, and it is most important at the TCSL classroom, will influence students’ learning efficiency, and has a direct bearing on the achievement of teaching targets. However, the study of the TCSL teach language is not good enough by now, there are a lot of classroom language usage problems in the TCSL training area.The thesis systematic summarized predecessor’s research results, and studied the TCSL language usage in Yunnan Normal University and Yunnan University, collected the feedback questionnaires from the teachers and the students, work out the problem and solution of the use of the teaching language on TCSL classroomThis article altogether divides into five parts. Part one, introduction, it provides the background and significance of the research and summarizes the former researches. Part two, copes with linguistics, education, psychology, culture, and the significance of guiding TCSL teaching practice. Part three, articulates the important of the classroom instruction language artistic and it key features. Part four, made an omnifaceted questionaries’ observance in class, raveled the key problems and its causes. Part five, gave a corresponding solutions. |