行政行为公定力是行政法理论上行政行为效力之一,也是目前我国行政法领域最具有争议的一个研究问题。然而,目前我国有关行政法的研究并不多,关注程度明显不够。本文着力介绍有关公定力的基本理论和两大理论学说,并根据我国目前的国情,分析我国应该做出何种选择,从而有利于行政行为效力问题的研究。 It is one of the most controversial issues in administrative law field in our country. However, at present, there are not many studies on administrative law in our country, and the level of concern is obviously not enough. This article focuses on the introduction of the basic theory and two theoretical theories about the power of determination, and according to China’s current national conditions, analyzes what kind of choices our country should make, which is conducive to the study of the effectiveness of administrative acts.