共同犯罪是个非常复杂的论域,素有“刑法学的迷路”之称。各国刑法理论对于共同犯罪未完成形态均给予了相当程度的重视,但在认定标准学说上却存在着重大差异。本文从一具体案例入手,结合刑法基本理论对共犯脱逃罪的犯罪形态进行了分析和阐述,并对理论界及实务界存在争议的几个问题略抒拙见。 Joint crime is a very complex discourse, known as “lost” of criminal law. The theory of criminal law in all countries gives considerable importance to the unfinished form of joint crime, but there are major differences in the standard doctrine of identification. This article starts with a specific case and analyzes the criminal patterns of the offense of accomplice escape based on the basic theory of criminal law. It also clumsily expounds several controversial issues in the theoretical and practical circles.