摘要： 简易程序设置的理论根源多是从效率的角度来阐述的，对此，本文提出了不同的观点。主张从程序的功能——正义再分配的角度入手，探讨程序设置的理论根源。通过分析，认为程序的类型化理论是程序设置在制度层面上的理论支撑，进而提出简易程序设置的理论根源也在于程序类型化理论，最终落脚于实现正义。

关键词: 程序类型化 , 正义 , 简易程序

Abstract: From the view of the function of procedures，procedures are established to realize justice．Realization of justice is the basic function of procedures in legal distribution．The theory of categorization of procedures to showthe basis of the theory of categorization of procedures in systematic aspects lies in：diversity in cases and subject demands．And the origin of theory of criminal summary procedure lies in the theory of categorization of procedures．

Key words: criminal summary procedure, categorization of procedures, justice