This paper,based on the new collation and stipulation of the nature of civil action delivery,rethinks the system of civil action delivery in effect deeply and puts forward exploratory ideas on the improvement of civil action delivery from the perspective of comparison.

As a procedure and technical problem, service is not concerned properly enough in legislation, judicature and academic world because of its trivial details.

Service abroad system is significant of litigation system, and integrates all parts into litigation.

Civil service system is a small part of the whole procedure system and less researched by academic circle, but it is not least important .

The procedural act that legal organ serve litigious documents to consignee in accordance with legal procedure and legal form in order to make them into legal force is called service.

Based on an investigation of the process of freight transport in China railway, this paper analyzes the change laws of forwarding times of freights.

Analysis result shows that the daily average running tariff kilometer of each kind of freight transport product obeys normal distribution;the maximum difference value between the transit period calculated by present method and the practical forwarding time of freight is 4.