对外汉语教学是一种把汉语作为第二语言或外语的语言教学。对外汉语教学的目的是培养学生的汉语能力和汉语交际能力。因此,汉语本体的研究在对外汉语教学过程中的地位举足轻重。 Teaching Chinese as a second language is a kind of language teaching that uses Chinese as a second language or a foreign language. The purpose of teaching Chinese as a foreign language is to cultivate students’ Chinese proficiency and Chinese communicative competence. Therefore, the study of Chinese ontology plays a decisive role in teaching Chinese as a foreign language.