Private cloud platform for network operation and maintenance management

The utility model relates to a private cloud platform for network operation and maintenance management. The private cloud platform comprises an external switching module, an access filtering module, a core switching module, a convergence switching module and a cloud platform function module, the external switching module comprises a plurality of one-way gatekeeper devices, and each one-way gatekeeper device is connected with a different external communication network; the access filtering module comprises a core router, and the core router is connected with a plurality of one-way gatekeeper devices; the core switching module comprises a first switch which is in one-to-one connection with the core router; the convergence switching module deploys a first firewall module and is connected between the core switching module and the cloud platform function module; and the cloud platform function module deploys a second switch and comprises a plurality of service management modules of the network operation and mainte