It is need to building the criminal trail by default system because the need to punish and prevent corruption and crime, recovery of the state assets, international cooperation and the need to protect the rights of the parties, end the dispute and maintain the social stability and educate the citizens to abide by the law,actively fight with criminals.

由于当前我国惩治和预防腐败犯罪、追回国有资产、开展国际合作、保障当事人权利之需要以及定纷止争、维护社会安定和教育公民自觉遵守法律、积极同犯罪分子作斗争等方面的需要,使我国构建刑事缺席审判制度存在必要性。