证明责任是“民事诉讼的脊梁”,是为法官预置的裁判要件事实真伪不明案件的理论装置和方法论,具有证成法官裁判正当性的重要功能。证明责任的分配是证明责任理论的核心问题,其对民事诉讼证据制度的完善,引导当事人正确举证,辅助法官裁判等具有重大的理论和实践意义。 The burden of proof is the “backbone” of the civil lawsuit. It is a theoretical device and methodology for the judge to decide whether the truth of the truth is true or not. It has the important function of justifying the judges’ adjudication. The distribution of burden of proof is the core issue of the theory of burden of proof. It has great theoretical and practical significance to the perfection of evidence system of civil litigation, to guide the parties to prove correctly and to assist judges to adjudicate.