Emphasis must be laid on training the students' thinking faculty in teaching vocabulary in the course of the Chinese language in middle schools. The teachers should help the students to understand the new words without definitions in the textbooks from the context with the purpose to develop students' reasoning ability,make careful analysis of the synonyms so as to train students' diffusional as well as ploymerizing capacity,lay emphasis on the comparison of the polysemous words,and explain with grest care the easy words to outward seeming in order to train the students to think deeply by themselves and make them more creative.