The classical Chinese and the vernacular Chinese are two different forms of Chinese language, and there are great differences in the way of expression, grammar structure, vocabulary usage, etc. The classical Chinese was a written language formed during the Ming and Qing Dynasties. It was based on the Beijing dialect and absorbed many kinds of pronunciation and alphabets such as the Latino and Greek alphabets. It used a large number of quaint words and grammar structures, and had a strong local characteristics and cultural heritage. The expression of classical Chinese was more concise. It usually used function words and the unique grammar structure of classical Chinese to make the expression of the sentence more concise and precise. The vernacular was a written language produced in the early 20th century. It was based on the Shanghai dialect and absorbed the expressions and vocabulary of modern Chinese. It was relatively simple and used a large number of vernacular vocabulary and modern grammar. Vernacular Chinese was easier to understand. It usually used content words and vernacular grammar to make the expression of sentences more direct and simple. In addition, there were also differences in the use of vocabulary and grammar between classical Chinese and vernacular Chinese. For example, in classical Chinese, function words such as "zhi","ye","hu","yu","er", etc. are often used to express flexibility and creativity; while in vernacular Chinese, real words such as "I","you","he","it", etc. are often used to express clearly. There are great differences between classical Chinese and vernacular Chinese in terms of language form, expression, grammar structure, vocabulary usage, etc. Although they are both written language forms used to express Chinese, they have different characteristics and advantages in use and application.