A health information system related to the field of data management is disclosed. The system includes at least one medical institution server, a front end processor, two or more data gateways, and a data exchange platform, where the at least one medical institution server is configured to send medical data to the front end processor, the front end processor is configured to receive the medical data from the at least one medical institution server, acquire a destination data gateway from the two or more data gateways, and send the medical data to the destination data gateway, the two or more data gateways are configured to receive the medical data and send the medical data to the data exchange platform, and the data exchange platform is configured to process the received medical data.