On the basis of the fundamental principle of crime psychology,the article analyses kidnappers mind in crime psychological aspect through the demonstration research of kidnapper and relative personnel s mind,which bears more important theory and reality significances for preventing,controlling,scouting and correcting kidnapping crime.

Kidnapping crime; Victim; Is killed the sex; The individual is killed prevent

These problems should be clarified to meet the needs of preventing and striking kidnapping crime.

It is of great theoretical and practical significance for the prevention,control and correction of the crime of kidnapping.

As the right of personal freedom violated by the crime of kidnapping includes the hostage s right of body movement freedom and the third party s right of decision freedom,the crime of kidnapping is a compound but simple behavioral crime,namely its finished state consists of detaining hostages and raising illegal requests.

The standard of accomplished offense of the crime of kidnapping is that kidnapping behavior substantially controls the hostage and actually puts the hostage under the control of the kidnapper.

Theoretical and practical difference concerning the crime of kidnapping is whether the objective aspects of it is a single act or compound acts,and the object of the crime is a single object or complex object.