本文是根据2010年4月10日晚在清华大学明理楼举行的清华明理公法沙龙(陈端洪专场)的现场录音整理而成的。本期明理公法沙龙的主讲人是北京大学法学院陈端洪副教授,点评人是清华大学法学院林来梵教授和北京航空航天大学法学院高全喜教授,主持人是清华大学法学院何海波副教授。陈端洪老师讲演的题目是:“宪法学的知识界碑——政治学者和宪法学者关于制宪权的对话”。 This article is based on the live recording of the Tsinghua Mingli Public Law Salon (Chen Duanhong Session) held at Mingli Building, Tsinghua University, on the evening of April 10, 2010. The keynote speaker of this issue of Public Law Salon is Peking University Law School Professor Chen Duanhong, commentators are Professor Lin Laifeng of Tsinghua Law School and Beijing University of Aeronautics and Astronautics Professor Quan Quanxi, the host is Tsinghua University Law School Associate Professor He Haibo. The topic of Professor Chen Duanhong’s speech is: “The Knowledge Boundary of Constitutional Law - The Dialogue between Political Scholars and Constitutional Scholars on Constitutional Power”.