摘要： 行政裁量收缩论是对行政裁量进行限制、对行政裁量（包括作为和不作为）合法性进行判断的一种理论。这一理论来自于20世纪初的德国行政法，主要适用于国家赔偿和科以义务诉讼领域。并为日本行政法所继受，在我国的司法实践中亦有所运用。它既承认行政裁量的价值，又在一定情况下将行政裁量压缩至零，将行政裁量权限义务化、羁束化。这种将行政便宜主义限制合理范围之内的理论也正是其合理性和生命力之所在。

关键词: 行政裁量收缩论 , 行政裁量 , 危险防止型行政

Abstract: The theory of administrative discretionary shrink is to restrict administrative discretion and judge the legality of administrative discretion included action and nonfeasance．The theory came from Germany’s administrative law in 1920s and was introduced into．Japan’s administrative law．China’s courts also apply the theory．This theory admits values of administrative discretion and in some special situations，it compels administrative discretion shrink to zero and makes the discretion become obligated and fettered．The rationality and vital force of the theory comes from limiting administrative expediency considerations into rational boundary．

Key words: Shrink of Administrative Discretion, Administrative Discretion, Administration to Prevent Dangers