Device management method and related device

A first control device obtains status indications of managed devices by using a first management protocol; the first control device stores the status indications and original device identifiers, of the managed devices, corresponding to the status indications; the first control device receives a request message sent by a second control device by using a second management protocol; the first control device extracts a status indication, where the extracted status indication is a status indication of a managed device identified by a virtual device identifier in the request message; and the first control device sends the extracted status indication to the second control device by using the second management protocol. The second control device manages the managed devices via the first control device.