Is it legal to recognize the face of community entrance guard?

Article 44 of the Network Security Law: No individual or organization may steal or obtain personal information by other illegal means, or illegally sell or provide personal information to others.

What is personal information and whether the features extracted by face recognition technology belong to personal information?

The "citizen's personal information" stipulated in Article 53- 1 of the Interpretation of the Supreme People's Court and the Supreme People's Procuratorate on Several Issues Concerning Handling Criminal Cases of Infringement on Citizens' Personal Information refers to all kinds of information recorded by electronic or other means that can identify a specific natural person or reflect the activities of a specific natural person alone or in combination with other information, including name, ID number, communication contact information, address, account password, property status, whereabouts and so on.

From this explanation, it is not difficult to understand that "other information can identify the identity of a specific natural person". As long as this information is used alone or in combination, as long as it can identify the identity of a natural person, it belongs to personal information. Personal information of citizens includes not only information directly related to personal identity such as name, gender and date of birth, but also other indirect information that can identify the identity of natural persons. Face data belongs to personal information, because it contains human characteristics and is recognizable.