The importance is firstly expounded for writing the high-quality English abstract of scientific and technical litera- tures from different angles.

The paper analyses existing problems of English abstracts for scientific and technical periodicals, discusses how to reflect both logical structure and track of thought of the original literature by compilation and translation in an appropriate way, and how to explain accurately the subject, arguments and the reasoning process.

Writing guide of English abstract;

Common mistakes and nonstandard expressions in English abstracts of medical literatures;

Writing guide of title in English abstract;

Discussions on English abstracts of scientific and technical paper writing;

From an analysis of a large number of English abstracts from the published scientific and technological periodicals,obtained are their main language characteristics,which are as follows:passive voice and the third person are often used,and semi technical words,simple present and simple past tense are usually used and so on.

Based on some problems in English abstracts of Chinese Sci-Tech Journals,this paper pointed out that the editors must attach importance to the Chinese writing of English abstracts and master the linguistic features of Engish of S&T in order to gurantee the high quality and high indes rate of English abstract of Chinese Sci&Tech periodicals.