缓刑制度,主要基于刑事政策上之要求而产生。避免短期自由刑的弊端,是最初设置缓刑的直接缘由;藉以鼓励犯人自新,使缓刑成为改善犯人的手段,是现代刑事政策要实现的积极目的。18世纪,资本主义上升时期,资产阶级的法学家倡导报应刑(近代报应刑)的刑法思想和刑事政策。他们认为:对犯罪科处刑罚,是基于正义的要求,刑罚应当依照同害报复原则 Probation system, mainly based on the requirements of criminal policy arising. Avoiding the shortcomings of the short-term freedom of punishment is the direct cause of the initial setting of probation; in order to encourage prisoners to rejuvenate themselves and make probation a means to improve prisoners, it is a positive goal to be achieved in modern criminal policy. In the eighteenth century, when capitalism was on the rise, bourgeois jurists advocated the idea of ​​criminal law and criminal policy of retribution (modern reporting of retribution). They think: Criminal penalties are based on the requirements of justice, the penalty should be in accordance with the same principle of revenge