本文试从侦查工作实践、法律与制度设计、文化根源几个方面探讨审前羁押率长期居高不下的原因,并对我国的审前羁押制度提出以下几个方面的完善意见:一是细化逮捕的证据标准;二是对“社会危险性”进行标准化界定;三是完善取保候审、监视居住的替代功能;四是拓宽信息共享的机制与渠道。 This article tries to probe into the reasons for the long-term high pretrial detention rate from the aspects of investigation work practice, law and system design, and cultural roots, and puts forward the following suggestions on the pretrial detention system in our country: The standard of proof for arrest; the second is to standardize the definition of “social hazard”; the third is to improve the alternative functions of bail pending trial and residential surveillance; and the fourth is to broaden the mechanism and channels of information sharing.