“零容忍”的警务政策,在打击严重违法行为的同时,也带来关于严重违法行为与轻微犯罪行为之间如何界分的难题。我国现有的三级规范体系,对具备相同特征的违法及犯罪行为根据犯罪概念中的“定量”因素而界分,而“量”本身在立法及司法上的不确定性,给界分造成障碍。文章在借鉴域外立法的基础上,提出建立轻罪制度的建议,以解决目前定罪加定量模式的缺陷。 “Zero Tolerance ” policing policy, while cracking down on serious violations, also poses the problem of how to divide the serious violations from minor crimes. The existing three-level regulatory system in our country limits the illegal and criminal acts with the same characteristics to the “quantitative factors” in the concept of crime and the legislative and judicial uncertainties of the “quantity” itself. Barriers to the boundaries. On the basis of drawing lessons from extraterritorial legislation, the article puts forward the suggestion of establishing misdemeanor system in order to solve the defects of current conviction and quantitative mode.