从某种意义上讲,事实问题是司法审判活动的落脚点。化繁为简地来看,四类诉讼制度(刑事诉讼、民事诉讼、行政诉讼和宪法诉讼)之间的差异主要是诉讼标的为事实纠纷问题还是规范冲突问题。前三类诉讼都是以表现为具体行为的纠纷事实为前提,而宪法诉讼则主要针对的是表现为抽象行为的规范冲突问题, In a sense, factual issues are the cornerstone of judicial adjudication activities. In summary, the differences between the four types of litigation system (criminal litigation, civil litigation, administrative litigation and constitutional litigation) are mainly the subject matter of the litigation as the factual dispute or the norm conflict. The first three types of litigation are based on the premise of the fact that the performance of the specific acts of the dispute, while the constitutional litigation is mainly focused on the abstract behavior of the normative conflict,