文章认为,对外汉语教学语法点的描述应包括功能、结构和用法三个方面。这里的功能包括语法功能、语义功能和交际功能,结构包括基式结构、变式结构和变形机制,用法包括何时使用、何时不用及与其它语法点的比较。文章列举了对外汉语的主要语法点并对若干语法点的描写作了示范。 The article holds that the description of grammar points for TCFL should include three aspects: function, structure and usage. The functions here include grammatical functions, semantic functions and communicative functions. The structures include basic structures, variant structures and deformation mechanisms. The usage includes when to use it, when not to use it, and when compared with other grammatical points. The article lists the main grammar points of foreign Chinese and demonstrates some of the grammar points.