Disclosed in the present invention are a method and system for isolating a control plane and a service plane, a server and a cloud computation platform. The method comprises: establishing, by a server, according to a user instruction, a virtual network bridge for a service plane and a virtual network bridge for a control plane; establishing, according to the user instruction, by a cloud computation platform, a logic network for the service plane and a logic port for the control plane; configuring a virtual network card of the service plane and a virtual network card of the control plane; establishing a first corresponding relationship between the virtual network card of the service plane, the logic network of the service plane, and the virtual network bridge of the service plane and a second corresponding relationship between the virtual network card of the control plane, the logic port of the control plane and the virtual network bridge of the control plane; and deploying, according to the first correspondin