Legal analysis: health code belongs to big data, which is directly under the management of the disease prevention and control organization, i.e. the health department.

Legal basis: "The People's Republic of China *** and the State Law on Prevention and Control of Infectious Diseases"

Article 12 In the field of the People's Republic of China *** and the State of all units and individuals must accept the disease prevention and control agencies, medical institutions related to the investigation of infectious diseases, testing, collection of samples, isolation and treatment and other preventive, control measures, and to provide truthful information about the situation. Disease prevention and control institutions, medical institutions shall not disclose relevant information involving personal privacy, information.

The administrative department of health, as well as other relevant departments, disease prevention and control institutions and medical institutions due to the illegal implementation of administrative or preventive, control measures, infringement of the lawful rights and interests of units and individuals, the relevant units and individuals may apply for administrative reconsideration or litigation in accordance with the law.

Article 17 The State establishes a system for monitoring infectious diseases.

The health administrative department of the State Council formulates national plans and programs for the monitoring of infectious diseases. The health administrative departments of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall, in accordance with the national plan and program for the monitoring of infectious diseases, formulate plans and work programs for the monitoring of infectious diseases in their respective administrative regions.

Disease prevention and control organizations at all levels of the occurrence and prevalence of infectious diseases, as well as factors affecting the occurrence and prevalence of infectious diseases, monitoring; on the occurrence of foreign countries, the country has not yet occurred infectious diseases, or new infectious diseases occurring in the country, monitoring.