Service calling method and device and electronic equipment

The invention discloses a service calling method and device and electronic equipment. Relates to the technical field of internet micro-services, and the method comprises the steps that a service calling request of a target terminal for a service system is acquired, the service system is deployed in a unitized architecture, and the unitized architecture comprises a plurality of units; calling a service interface of the business system in response to the service calling request; based on the annotation information of the service interface and the operation environment to which the service interface belongs, a routing rule corresponding to the service calling request is determined, a target server side is selected according to the routing rule for service calling, and the annotation information at least comprises the unit type to which the service interface belongs. According to the method and the device, the technical problem that when service calling is carried out under a unitized framework in which a plurali