A drive to solicit "ten thousand difficult problems in science and technology" is now being organized jointly by Ministry of Education,Ministry of Science and Technology,Chinese Academy of Sciences,and National Natural Science Foundation of China.

Because mass communication power like advertisement、news communication etc, which are in the margin in the present S&T communication, show strong adaptability to the change of environment in essence, the "science in action" at present req.

Taking science sociology as its theory view,this article considers that S&T communication is the important part of knowledge innovation which is also the important goal of S&T communication,trying to offer a new theory thinking for improving the research of S&T communication.

Constructing highly efficient S&T communication system and improving the quality of S&T communication is one of the most important potentials of improving modern S&T productivity.

This article discusses the essence, aim, core and soul of scientific and technological communication, and argues that the process of scientific and technological communication is an interactive process between the communication subject and the target public.

The scientific and technological communication, as an environmental base of initiative system and a resource of entirely new thinking, has radically brought about many changes in the living styles of mankind with its compound contents and various functions.