Fecha de publicación: 19/10/2021 Fuente: Wipo "BigData" The invention provides a working method for government affair data security through a big data network, and the method comprises a query terminal which comprises a box body, a touch display screen is fixedly installed on a touch display screen installation seat, an identity ID card reader is fixedly installed on an identity ID card reader installation seat, and the two sides of the front surface of the box body are provided with peep-proof plates protruding outwards, a control circuit board mounting seat for fixedly mounting the control circuit board is arranged in the box body, and the control circuit board is fixedly mounted on the control circuit board mounting seat; when the ID card reader reads the user information, the user information is processed and then transmitted to the cloud platform for verification, and data information corresponding to the user is called and displayed on the touch display screen. According to the method, other query personnel waiting for can be protected and prevented from browsing privacy contents, and the querier is protected; and the data security can be realized.