Teaching language skills are teachers' language behaviors of transmitting information and providing guidance. It does not exist independently in teaching, but it is the most basic teaching behavior in all teaching activities.

Language is a tool for communication between people, and people use language to exchange ideas with each other. At the same time, language is also a tool for human thinking, and human beings think with the help of internal language.

Man is an emotional animal. Classroom teaching language is emotional, with emotional people and emotional people.

Teachers' preaching, teaching, dispelling doubts, information transmission and emotional communication between teachers and students "must rely on language." Through interesting expression, unconventional analysis, incisive generalization and appropriate teaching, teachers bring students into the grand hall of knowledge, open their minds, cultivate their sentiments and obtain spiritual satisfaction, thus "serving the teaching purpose better".