汉语的优点为音节表达明确,组词功能强,仅有一千多个音节,而英语有2万多个音节。可针对于外语而言,为什么汉语被认为是最难学习的?根据作者的研究认为:难在汉字的认读环节。汉字存在难认、难读、难写的缺点。在对外汉语教学,尤其是在初级阶段的字词认读教学中,定点延伸是一种比较简便有效的方法,本文就认读教学环节中,为什么采用定点延伸法及其概念界定、使用方法、遵循的原则等,加以论述,目的就是提高了对外汉语的教学效率。 The advantages of Chinese for the syllables express, strong function group, only more than a thousand syllables, and English has more than 20,000 syllables. Why Chinese is considered the hardest to learn for foreign languages? According to the author’s research, it is difficult to read the Chinese characters. There are hard to recognize Chinese characters, difficult to read, hard to write shortcomings. In the process of teaching Chinese as a foreign language, especially in the early stage of word recognition teaching, the fixed-point extension is a relatively simple and effective method. In this article, we consider the use of fixed point extension and its concept definition, usage, Follow the principles to be discussed, the purpose is to improve the teaching efficiency of Chinese as a foreign language.