This paper put forward the investigation of the numerical tables scientific nature with comparison analysis methods, a method of sci tech editorial methodology, and explained them specially detailed from choosing the comparison targe.

Based on the main achievements and the history of the research of sci-tech editing methodology, the three con tributions, such as the proof of understanding channels from form to content, t he establishing of feature method and the development from category to category method, are described and discussed.

The author also emphasizes the importance of using such scientific editting methods freely.

Connotation of sci-tech editors humanistic diathesis;

The duties of editing for sci-tech editors consist of two parts: modifying and standardizing grammar;discovering and correcting the academic mistakes made by the authors.

Evaluation of science editors on research results in web condition;

Requirements for science editors to meet in checking and editing bibliography;

Benefits and preparations of attending international conferences for science editors;

Information integration in architecture of scientific editors knowledge system;

In thls paper we proposed three basic techniques which a scientific editor should possess.