“南陈北李相约建党”是一个历史事件,长期以来学术界对此一直存有争议。有人怀疑是否存在,有人坚持确有其事。支持者、怀疑者众说纷纭,莫衷一是。笔者也一直关注这个课题,认为:“南陈北李相约建党”这一课题的关键在“南陈北李”是谁?笔者发现:在李大钊从事马克思主义研究的历史过程中,先后有三位“南陈”同他打过交道,并均有过相约建党或共传主义的经历。为了求教学人,决定整理出来,供大家进行探讨和研究,以推动“南陈北李相约建党”课题的突破与发展,将中共创建史研究向前推动一步。 “Nan Chen North Lee meet the founding ” is a historical event, for a long time academics have been controversial. Some people doubt whether it exists or not, and some people insist that it does. Proponents, skeptics have different opinions and different opinions. The author also has been paying attention to this subject, and he thinks: “The key point of this topic is” Nan Chen Bei Li “” Who is this? “The author finds out that in the historical process of Li Dazhao engaging in the study of Marxism, There have been three ”South Chen “ had dealings with him, and have had similar party or communism experience. In order to seek teaching people, they decided to put it together for discussion and research so as to promote the breakthrough and development of the topic of ”building a harmonious Nanzongbei Party" and to move the CCP’s history research forward one step forward.