本文详细阐述了诉权的存在基础,即为什么要规定诉权。而后就民事诉讼的相关诉权理论“私法诉权说”、“抽象诉权说”、“具体诉权说”存在的问题进行了批判。进而发现了诉权的程序内涵本位主义,从而理清了诉权的程序内涵和实体内涵之间的关系,提出了诉权程序内涵和实体内涵的层次理论,并在此基础上重新界定了诉权的概念。 This article elaborates on the existence of the right to sue, which is why the right to sue. Then we criticized the existing problems of the theory of right suits related to civil litigation, such as “private lawsuit say”, “abstract right suing theory” and “specific litigation right”. And then found the procedural connotation of litigation right, so as to clarify the relationship between procedural connotation and substantive connotation of litigation right, put forward the conception of connotation and entity connotation of litigation procedure, and redefine the concept of litigation right.