民法和刑法在各自领域中的价值追求、概念体系、思维方式、处理程序等方面存在不同。长期以来,民刑交叉案件的处理在司法实务中远未达成共识,并由此引发出诸多困扰理论界和实务界的难题:在民刑交叉案件中如何选择诉讼模式;行为人的行为构成犯罪时,与其犯罪行为相关的民事合同的效力如何认定;生效的民事判决能否因与之关联的行为构成犯罪,而当然被提起再审;如何正确看待民事判决的既判力等。这些程序上或实体上的问题所涉畴围之广 Civil law and criminal law in their respective fields of value pursuit, conceptual system, ways of thinking, handling procedures and so there are differences. For a long time, the handling of cross-border civil cases has far to reach a consensus in judicial practice, which has led to many problems that plague theorists and practitioners: how to choose a litigation model in cross-civil conflict cases; How to determine the validity of the civil contract related to its criminal acts; whether the civil judgment in force can constitute a crime because of the act connected with it, and of course it is put on trial; how to judge the res judicata of civil judgment correctly. These procedural or substantive issues have a wide range of implications