红军长征时期的“南下”问题一直是党史界研究的重要问题。新世纪以来,党史界围绕着张国焘“南下”原因、后果、“密电”以及与“南下”有关的重要历史人物等问题进行了比较深入的研究,取得了一系列丰富成果。本文拟对这些成果加以梳理,以期该问题研究继续走向深入。 The issue of “going south” during the long march of the Red Army has always been an important issue for the study of the history of the party. Since the beginning of the new century, the party’s history has conducted a thorough study around the causes and consequences of Zhang Guoxiang’s “southward move”, the “tianghua” and important historical figures related to “southward”, and obtained a series of rich Results. This article intends to sort out these achievements, with a view to further deepen the research of this issue.