| It is well known that it is very difficult for Chinese to learn English. Some people spend years learning it, but the result is disappointing. Mainly because mechanical emulation and learning by heart are emphasized while the application of syntactic in the acquisition of a language is ignored. This article guides the teaching activities in classroom with this theory by analyzing and classifying mistakes of Chinese college students to improve teaching and learning, leaving them more time to develop their own interests. This article classifies the applications of syntactic theory in language acquisition as follows:1. Syntactic and vocabulary learning involve superordinate, hyponym, synonym antonym and semantic field.2. Relationship of English teaching and collocation of the semantic theory deals with regular and irregular collocation. |