标点符号,正式作为汉语书面语言的组成部分,在中国还不到一个世纪。随着清末以来中外文化交流日益密切,在汉语中使用统一的标点符号成为一种必然趋势。中国古代的书面语言没有标点,汉代以来用“、”和“↓”符号表示句子的停顿。到元代把“↓”改为“。”。但这种符号不能表示语气、词的性质与作 Punctuation, formally part of the Chinese written language, is less than a century old in China. With the close exchange of Chinese and foreign cultures since the late Qing Dynasty, it is an inevitable trend to use a unified punctuation mark in Chinese. In ancient Chinese written language there was no punctuation. Since Han dynasty, the symbols of “”, “and ” ↓ “have been used to indicate the pauses of sentences. To the Yuan Dynasty ”↓ “ to ”. ". However, this symbol can not indicate the tone, the nature of the word and the work