CTF attack and defense countermeasure system and method close to real network environment

The invention discloses a CTF attack and defense countermeasure system and CTF attack and defense countermeasure method close to a real network environment. The system comprises a CTF node managementunit, a network virtualization unit and a hardware virtualization unit, wherein the CTF node management unit is in communication connection with the network virtualization unit, and the network virtualization unit is in communication connection with the hardware virtualization unit; the CTF node management unit comprises a service management module and a running management module, the service management module is applied to CTF node service registration management and service finding management, and the running management module is applied to CTF node state management and running log management; the network virtualization unit comprises a network component module, a network division module, a network topology module and a port mapping module; and the hardware virtualization unit comprisesa CPU, a memory, a magneti