新民主主义革命史和新民主主义革命时期是两个既相联系又相区别的概念。前者是专史，属于政治史的范畴，后者是中国通史的一个特定的历史阶段，属于通史。作为专史的新民主主义革命史，应以五四运动为起点；而作为通史的新民主义革命时期，则可以以南昌起义为起点 The history of the new-democratic revolution and the period of the new-democratic revolution are two concepts that are both connected and distinct. The former is a special history, belonging to the category of political history, which is a specific historical stage of China’s history, which belongs to the general history. The history of the new-democratic revolution as a special history should start with the May Fourth Movement. As the general-history period of the Neolithic Revolution, the Nanchang Uprising can be used as a starting point