The internet actions can be treated as a complicated system. There are rules to follow as the system changes and develops. The internet active control will be effective once these rules are known. The rules of the internet actions play a dominate role in the existence and development of the internet systems. These rules are a type ofrelationshipcorrelatingtotheoccurrence ofthe action in a internet. Inevitability and contingency determine the development of all internet systems. The two factors coexist in the internet actions, including the causality relationship in the occurrence of a internet action. Inevitable internet actions are a phenomenon resulted from the non-coordination and inadaptability factors in the field of internet system, policy, management and education. This type of crime actions dominatesthe internet actions system. Contingent internet actions are caused by some specific reasons. These internet crime actions mayornotoccur,mayoccurinthis way or the other way. In short, the inevitable crimes can be realized through a large number of the contingent crimes reflect the inevitable relationship in the internet actions. In the modern societies, the rules in the internet crime activities can be found out by studying a large number oftherandomandcontingentcases.Therole of crime statistics is to describe the properties oftheinternet crimes in macroscopic scale based on the statistical analysis oftheinternetcrimesonamicroscopicscale.