Risk evaluation method and device for nuclear power plant and computer equipment

The invention relates to a risk evaluation method and device for a nuclear power plant, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring an I0 code of equipment exception information input by an operator of nuclear power plant equipment, matching a database according to the I0 code of the equipment exception information, acquiring corresponding PAS input information from the database if the I0 code is in the database and the equipment exception information is matched with PAS model modeling equipment, inputting PSA input information into a PSA calculation engine, and according to the state of the equipment, calculating a configuration risk assessment value of the unit through a PSA equalization model, according to the configuration risk assessment value, determining a configuration risk early warning and a risk prompt corresponding to the configuration risk early warning, and sending the configuration risk early warning and the risk promp