1. The subject of the right to privacy can only be citizens, that is, natural persons, excluding the secrets of legal persons, especially enterprise legal persons (in fact, trade secrets). Trade secret does not have the essential attribute that privacy has public interest and group interest has nothing to do with it.2. The object of privacy includes personal activities, personal information and personal field.3. The protection scope of the right to privacy is limited by the public interest.According to the characteristics of the right to privacy, according to the general theory of scholars at home and abroad, the right to privacy has the following four rights: (1) the right of privacy concealment. The right of privacy concealment refers to the right that the subject of the right conceals his privacy and is not known. (2) the right to use privacy. The right to use privacy refers to the right of natural persons to make active use of their right to privacy in order to meet their own spiritual, material and other needs. (3) the right of privacy maintenance. The right to protect privacy means that the subject of the right to privacy enjoys its inviolability and can seek public and private relief when it is illegally violated. (4) Privacy control. Privacy control means that citizens have the right to control their privacy according to their own wishes.