Academic concentration about attribute of investigating power is on judicial powers,administrative power and judiciary administrative power mainly.

Operation of the Power of Investigation-From the Perspective of the Procedure Justice;

The power of investigation can interfere the citizen s private life lawfully.

Completely promoting the judicial control in the power of investigation has become the main contents of revising the code of criminal procedure.

It is difficult to find an effective way to control investigation right in our criminal justice practice.

Preset investigation right is ruled by the law.

Investigative Power under the Scope of Human Rights Protection;

Judicial supervision over investigative power is a world-wide experience, but this system meets several difficulties in China, such as is not in accordance with political system of " combination of discussion and behavior",harmful to the legal supervision status of procuratorate office, short of court resource and prejudgment.

Innovation of traditional investigative power model is on the way,as the unworkable of restraint system of investigation power whose principal part is investigative supervision.

Strengthening the system of supervision and control over the investigation power of the public security organs in criminal cases is important not only to the objective requirement to detect the cases but also to the real necessity to protect the rights of the accused.

Considering legislation and practice of the investigation power in our country,we will find there are quite problems in disposing,enforcement and supervision.