What is the textual research on the specific date and number of attendants in the First CPC National Congress? How was the site of the First CPC National Congress disclosed? Who intruded in? How were the photo and identification of the fifteenth attendant of the First CPC National Congress, , discovered? Why Chen Duxiu as one of the main founders of the Chinese Communist Party did not attend the congress? Why the thirteen attendants had greatly different life later on? With rich historical material and easy and concise word, this book in the form of special topic makes description and interpretation to the founding of the CPC from different perspective to unleash the puzzles of the First CPC National Congress, objectively display the historical necessity of the founding of CPC, realistically and vividly represent the epoch-making incident of the founding of CPC.