Habermas s theory of public sphere and media;

The Development of the Internet Forum at the Present Time in China and Restructuring to "Life" of the Public Sphere;

Researches of TV Talk Show in Public Sphere;

Hannah Arendt works out a created consideration and interpretation on civic culture which based on "positive participation" which is republicanism tradition by analysis and definition of some conceptions,for instance,action and public realm and so on.

The demarcation of the public realm and private realm is a basic appearance of the modern life.

To speak specifically, it includes the fostering of public realm, system supply and the fostering of credit idea and credit consciousness about main part of market.

Antitrust laws property rights expounding and regulation reform——on the view of "public domain";

Coase Theorem, Relativity and Public Domain;

Reseach on Construction of Public Domain of the Internet in Hubei;

Pursuit of Legality in Public Field;

The communication mode,characters,appeal objectives and values of blog happen to aggree with Jurgen Habermas′ "public field".

Habermas assumption in reality,and it questions his theory of public field in practice.

Only strengthening the constructure of the public sphere can the constructural changes of the relatian between "internal holy"and "extern.

And his“discourse democracy”is realized through“the public sphere”.