Institution File
Ministry of Public Security and the National Police Data System
Connects identity administration, public order, criminal investigation, cybersecurity, borders, and public video systems.
Contents
Connecting everyday registration to national policing
The Ministry of Public Security directs policing nationwide. Local police handle household registration, identity administration, public order, criminal investigation, cybersecurity, border control, and traffic. Records created when a person gets documents, stays at a hotel, travels, uses communications services, is stopped, or enters a criminal case appear to belong to separate systems. A common identity index and cross-regional police requests can bring them into one policing field. Local police are not merely the endpoint of central orders. They turn local populations, places, and incidents into risk information that can move upward.
Household registration and identity cards provide a stable identity anchor. Hotel, vehicle, telecom, and border records attach activity to it. Public-order and criminal systems then link a person to addresses, devices, relatives, and cases. The Data Security Law and Personal Information Protection Law state rules for personal-information processing, but police acting under statutory duties retain broad space to use data. Ordinary people have little way to learn which agency accessed which information or how an incorrect risk label was formed and corrected. [4] [3]
Video systems turn observation into retrievable records
Regulations issued in 2025 placed public-security video-image systems under dedicated national rules, and MPS implementation rules identify the police management role. A single camera records only a limited view. Linked to identity, vehicle, hotel, and communications data, it can be used to find, compare, and follow a particular person. Compliance language cannot change the basic imbalance: the state can identify and retrieve; the recorded person can rarely know, refuse, or correct the process. [1] [2]
The capacity is not confined to criminal investigation. The use of Henan health codes to restrict bank depositors' movement showed that an administrative data tool could be redirected for stability control. Human Rights Watch research on Xinjiang's Integrated Joint Operations Platform and the UN human-rights office assessment of Xinjiang document connections among data aggregation, police classification, and severe restrictions on liberty. One province cannot prove that every system operates identically, but these materials show how security screening can enter ordinary administration. [13] [7] [10]
Platforms, businesses, and communities as data interfaces
The police system relies on more than officers. Cyberspace authorities regulate platform rules, platform companies retain account and device traces, telecom firms and hotels implement real-name registration, and grid workers hold information about residence and disputes. Account-information and algorithm rules require providers to build identity, content, and algorithm governance arrangements, creating an environment for state demands for cooperation. The public may see a deleted post or a police notice without seeing how information moved among a company, cyberspace regulators, and police. [5] [6] [8]
A community report can begin police attention, platform data can expand questioning, and public video can locate an activist before a public judicial process begins. Formal rights may arise after detention or arrest, but the decision about who is first screened, marked, or deployed against is already made in an invisible stage.
From investigation to preventive control
Police investigate crime and respond to emergencies, but the CCP makes stability maintenance part of police performance. The data system then serves more than investigation after an offense. Petitioning, assembly, online speech, cross-regional movement, and contact with sensitive people can be treated as risks requiring advance intervention. Reporting on arrests and continuing harassment in the year after the White Paper protests shows how a brief public expression can leave enduring police consequences. [16] [17]
Preventive control shifts attention from an unlawful act to what a person might do or whom they might contact. More data makes association look like suspicion and difference look like threat. Public law does not fully disclose how databases are connected, how alerts are generated, how access records are kept, or how a person can obtain a usable correction.
Power logic: making social life policeable
The MPS system shows a central method of CCP rule: collect fragments of social life in service and registration processes, then combine them into objects for police action. People enter the record before any crime through identity documents, hotels, platforms, travel, and community life.
The danger is not that every record automatically causes persecution. It is that the state can choose when to convert a record into a restriction. The party-state need not announce total surveillance. In a politically sensitive moment it can activate data interfaces, grassroots personnel, and police at once. The observed person does not know the operative rule, while the enforcer can call opacity a security need. That is why police data power escapes democratic constraint.
Sources
Regulation on Public Security Video Image Information Systemsprimary-recordLive
MPS Rules for Public Security Video Information Systemsprimary-recordUnavailable
Personal Information Protection Law of the PRCprimary-recordLive
Data Security Law of the PRCprimary-recordLive
Provisions on the Administration of Internet User Account Informationprimary-recordLive
Provisions on Algorithmic Recommendation in Internet Information Servicesprimary-recordLive
China's Algorithms of Repression: Reverse Engineering a Xinjiang Police Apptechnical-researchLive
We Chat, They Watchtechnical-researchLive
Censored Contagion IItechnical-researchLive
OHCHR Assessment of Human Rights Concerns in Xinjiangofficial-findingLive
Treasury Sanctions on Biometric Surveillance Technologyofficial-findingLive
2024 Country Report on Human Rights Practices: Chinagovernment-reportLive
Official Accountability Record on the Henan Red-Code Incidentprimary-recordRedirected
Investigation into Red Health Codes Assigned to Henan Bank Depositorsinvestigative-reportingLive
CECC 2025 Annual Reportgovernment-reportLive
Human Rights Watch Report on Detained White Paper Protestersinvestigative-reportingLive
Amnesty International Interviews One Year after the White Paper Movementinvestigative-reportingLive