当事人的不知陈述是指一方当事人对于对方当事人关于某一特定事实的主张,在诉讼中向法官表示不知道、不清楚或不记得。对当事人不知陈述的研究应从其基本理论入手,同时把握其确立的基础,进而结合其他国家和地区法律的相关规定,试对其法律后果及实质加以探究,最终落脚于对我国现行相关制度的评价,从而对立法的完善和实践的发展有所裨益。 The unknown statement of a party refers to one party’s claim to the other party about a particular fact in the litigation that she does not know, does not know or can not remember. The research on the unknown party’s statement should start with its basic theory and at the same time grasp the basis of its establishment and then explore its legal consequences and substance in the light of the relevant provisions of the laws of other countries and regions. Finally, they will settle on the evaluation of the current relevant system in our country , Which will benefit the improvement of legislation and the development of practice.