Introduction to the manuscript of "Fan Puzhai's Diary": One of the "treasures" of the exhibition hall is the newly collected "Fan Puzhai's Diary", donated by Fan Puzhai's son Fan Juming. This set of 16 volumes and more than 100,000 words of "Fan Puzhai's Diary" manuscript records in detail the political activities of Mr. Fan Puzhai, a veteran of the Democratic League, in Chongqing, Chengdu and other places from 1944 to 1949, as well as the actions of many democrats during this period. The activities are of great reference value for studying the history of democratic parties.