Nuclear power plant emergency decision data processing system and method and electronic equipment

The invention provides a nuclear power plant emergency decision data processing system and method and electronic equipment. The system comprises a main switch, a redundant switch connected with the main switch, a server, an external network system, an audio and video system and an operation terminal. The server and the external network system are both connected with the main switch, and the main switch is used for performing data exchange on the server, the external network system and the redundant switch; the audio and video system and the operation terminal are both connected with the redundancy switch, and the redundancy switch is used for carrying out data exchange on the main switch, the audio and video system and the operation terminal. According to the invention, the safety and stability of the emergency decision data processing system of the nuclear power plant can be improved, so that sufficient decision data support can be provided for the development of emergency preparation work of the nuclear pow