Procurators must comply with these basic principles during the course of civil and administrative prosecution: the public interest principle; the country interveneing principle; the final relief principle; the objective obligation principle and the principle of protecti.

To define the role of the procuratorial organs,it is necessary to explore the problem of the objective obligation of the prosecutors which displays the relation between power and right.

The objective obligation of prosecutors is the basic characteristic of legal status of prosecutors of continental law coun- tries and it reflects that prosecutor is“semi-judicature”.

In the countries of the rule of law, most countries Code of Criminal Procedure provisions that prosecutors in criminal proceedings must abide by the objective obligations, It not only requires prosecutors in criminal proceedings to prosecute for crime, it is also necessary for prosecutors to protect the interests of the defendant.

Prosecutors’ objective obligations are legal obligations,closely related to legal norms,and obligations of obeying the law and not violating the law.

Public prosecutors\' objective obligations are to assist a judge to discover the truth,defend the law and maintain justice.

In public prosecutions,it excluses objective obligations of prosecutor and stresses prosecutor becoming party.

The fact that history may maintain an objective principle lies in the fact that it .