This paper reviews briefly language research from the aspects of second language acquisition and language understanding in terms of non-linear dynamics method;moreover, it indicates that adopting non-linear dynamics analysis is one importan.

With the development of modern language linguistics research,corpus linguistics has become a new subject in the field of language research.

The article contains three parts: field study is a main way to obtain language materials;what basic qualifications are required for field workers; field study is an everlasting task of language research.

This paper introduced the two developing stages of typology and presents the main characteristics of it,and it also argues the influence of typology to linguistic research in China.

The author realizes that foreign languages study is very helpful in opening up the linguistic research.

Language study will receive inspirations from the comparison of the history of Chinese and foreign countries language study in ancient and modern times.

Throughout the history of language study, corpus has always played a very important role as a collection of proof, accessibility and replicability.

With the development and expansion of corpus and corpus linguistics,they play a very important role in language study.

Through analysing the different views about language and its relation with men manifested in different linguistic schools in history, the author points out that the history of linguistic study has seen a gradual rise of man s position in this domain.