During the period of social transition, criminal offense keeps rising and takes on the following features: exact motive of offense; adequate preparation; professional offending methods; armed offending group; complicated offending process; modern offending equipment; generalization of anti-investigation tricks.

Based on high starting point and high efficiency net system,criminal offense information controlling system consists of five information controlling patterns:criminal cases? offenders? clues for criminal cases? wanted circular and assist investigation and secret investigation.

Aroused by the Xu Ting s case,issues of relations between crime and civil tort,between criminal jurisprudence and criminal practice,between criminal practice and policies,have provided some.

as a kind of special existing social attribute, gangdom crime is the result ofcomplicated social problems, the most serious crime in society, and the severe political problemsaffecting social political stability.

In order to contain the momentum of the taking place of cases in this period, first, the crime characteristic of this period should be realized fully; Second , the reason of the high-incidence should be analyzed conscientiously ; Third, the countermeasures of containing the crime in t.