User subscription data acquisition method and device based on core network, and storage medium

The invention provides a user subscription data acquisition method and device based on a core network and a storage medium, and relates to the field of communication. The method comprises the following steps: in response to a query request of a target user, determining a query demand and a query identifier corresponding to a query object; judging whether the query identifier conforms to a first preset rule or not, if so, determining a network element of a core network corresponding to the query identifier, and judging whether the query demand conforms to a second preset rule or not; and if yes, determining a query instruction based on the query demand, and obtaining user subscription data based on the query instruction and the network element of the core network. According to the method provided by the invention, the technical effects of improving the service processing efficiency and ensuring the network security are realized. 本申请提供一种基于核心网的用户签约数据获取方法、设备及存储介质，涉及通信领域。该方法包括：响应于目标用户的查询请求，确定查询需求和查询对象对应的查询标识；判断查询标