On the strengthening of the plain-clothes investigation;

If the" human-testimony-centered" pattern is still taken as the dominant investigation mode,the cost of the investigation will multiply,the detection rate will decrease.

We should make a serious analysis on investigation mode in order to realize the idea that the information lead to police affairs ,especially in the atmosphere of ever-increasing economic development and changing criminal methods.

The investigation mode in current china is "Mixing" mode, which leans to official system and demonstrates the flaw of"paying more attention to fighting, less attention to protection".

On the Consummation of Our Country s Detection System——In the view of the comparison between detection patterns in two big legal systems;

The existing detection pattern for crime by advantage of duty in China has many flaws: authority disposition is dispersed,the detection measure is old,the detection is easily disturbed,and it lacks insufficiencies,and so on.

The reform of investigative pattern under the tribunal judicial centralism controlling;

Combining with the rapid changes of criminal offenses, this article indicates that traditional investigative mode has not adapted to struggles and advances that to start a new prospect of criminal investigation work, we must change old investigative mode and establish new modern investigative mode dominated by criminal information.

From 2005, mass media exposed Nieshu-wu case in Hebei Province、XuJing-xiang case in Henan Province、Shexiang-lin case in Hubei Province and Lihua-wei case in Liaoning Province, the public question our investigative mode and investigative subject.