The development of network enlarges public field. Network politics participation becomes new form of realizing deliberative democracy. The level of public online politics participation discourse negotiability directly influences the order and quality of citizens network politics participation. Evaluation on public online politics participation discourse negotiability includes discourse legitimacy

complexity

rationality

containment

constancy and interactivity. Now limited by technology

rules and individual condition

public online politics participation discourse negotiability has the characteristics such as high complexity and low legitimacy

lack of introspection and fierce competition

irrational and not objective

high constancy and lack of interactivity. These are difficulties in the progress of improving public online politics participation discourse negotiability. Therefore

public online politics participation discourse negotiability in our country is still in low level

and need the power of technology

system and civic literacy combine to make network become the platform of public online politics participation discourse negotiability.