Abstract:The function of the publicity principle of civil law on change of property rights and maintenance of transaction security is emphasized by most scholars in the discussion of the significance of it, while it seems that we lack understanding its status and function in the legal conformation of exclusive property rights. In fact,the conformation of real right, minority exclusive obligatory right and intellectual property right all embody and implement the publicity principle. To fix the publicity principle as one of the essential principles of the conformation of exclusive property rights will help us understand and master the characteristics and general regular pattern of the conformation of exclusive property rights, and then improve the configuration of existing property rights.