非羁押诉讼是指公安司法机关在刑事诉讼活动中,依照法律规定对罪行较轻的犯罪嫌疑人、被告人,在不采取刑事拘留、逮捕强制措施的情况下进行立案侦查、审查逮捕、审查起诉、审理裁判的诉讼活动。本文从非羁押诉讼制度产生的背景、概念、适用条件、范围、适用监督几个方面来研究非羁押诉讼制度存在的意义。 Non-custodial lawsuit refers to the public security and judicial organs in criminal activities, in accordance with the law provides for less criminal suspects, defendants, without taking criminal detention, the arrest of coercive measures in the case of investigation, review, arrest, review and prosecution , Hearing the referee’s litigation activities. This article studies the significance of the existence of non-custodial litigation system from several aspects, such as the background, concept, applicable conditions, scope and applicable supervision of non-custodial litigation system.