This application provides a data processing method, a multi-cloud management system, and a related device, to implement lightweight access of a multi-cloud service through a metadata driver in the multi-cloud management system. This reduces a workload of adapting a meta service and a cloud service when the cloud service is introduced. The method may include: first receiving a service request for invoking the meta service, where the service request matches metadata of the meta service, and the meta service is a service provided for a user; then converting the service request into a cloud service request packet based on metadata of a cloud service corresponding to the meta service, where the cloud service request packet matches the metadata of the meta service; sending the cloud service request packet to invoke the cloud service; receiving a cloud service response packet, where the cloud service response packet is an invocation result obtained by invoking the cloud service; and then converting the cloud service response packet into a service response that matches the metadata of the meta service and sending the service response.
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