逮捕是刑事诉讼强制措施中最严厉的一种,必须坚持“少捕”和“慎捕”的刑事政策。“逮捕的必要条件”是实现这一政策的重要支撑,是整个逮捕制度的核心,是平衡保障人权与打击犯罪基本精神的关键。然而实践中由于“社会危险性”标准难以把握,“构罪即捕”的传统观念依旧成为办案人的倾向。本文从逮捕措施中“社会危险性”证明和认定为切入点,提出解决问题的对策。 Arrests are the most severe form of coercive measures in criminal proceedings and must uphold the criminal policies of “less capture” and “careful arrest.” “The Essential Conditions for Arrest ” is an important support for the realization of this policy, is the core of the entire arrest system, and is the key to balancing the basic guarantees of human rights and the fight against crime. However, in practice, because of the “social danger” standard is difficult to grasp, the traditional concept of “conviction and capture” remains the tendency of investigators. This article starts with the proof and recognition of “social danger ” in the arrest measures and puts forward the countermeasures to solve the problems.