公共性是20世纪至今学术界热议的理论关键词,关于公共性的社会学、政治学解读不胜枚举。公共性是与公共领域相伴而生的一个范畴,公共领域是公共性的实践场所,对公共性的认知必须建立在对公共领域认知的基础之上。本文试以公共领域的解读为基础,进而厘定公共性的实践性理论内涵。 Publicity is the theoretical key word of the academic circles from the 20th century to the present. The sociology and political science on publicity are too numerous to explain. Publicity is a category accompanied by the public domain. Public domain is a public place of practice. The recognition of publicity must be based on the cognition of the public domain. This article tries to interpret the public sphere as the foundation, and then determine the practicality of the public nature of the theory.