Interpretating the nature of investigative strategy is good for investigative practice as well as the theoretical research.

It is necessary for an in-depth study on the basic theory of the investigative strategy.

As a part of tactic cultures,investigative tactics are colorful in their origin due to their wide range of knowledge involved.

This investigative method renders us easy to obtain criminal information and it is of high value in investigative tactics and investigative moulds.

The investigation action s legalization which is the basic requirement and important sign of investigation legalization is restricted by aseries of subjective and objective factors.

Especially in a state ruled by law, investigation action usually involves conflicts between the state power and individual rights, which is increasingly attracting people s attention.

Supervision is the effective force to guarantee the investigation to run on the legal track.

Because the use of it in investigation embodies the principle of fitness,the principle of necessity,the principle of suitability,the principle of economy and the principle of justice,it has been the king principle of investigation.

Investigating action is the core of the investigation process.

In the society ruled by the law, detective behaviors often involve the conflicts between the country s power and the individual s right.