In October 2014, Tianwan Nuclear Power Plant held the 2014 on-site comprehensive emergency exercise, creating five "first", that is, first using the exercise scenarios, first carrying out 1.5-day emergency exercise, first deploying the nuclear emergency rescue force of CNNC in practice, first comprehensively verifying the nuclear emergency relevant improvement items of Fukushima nuclear accident, and first having a multi-participation of central government agencies, supervisory authorities, nuclear emergency response offices, CNNC, partners, and peers in nuclear power industry for a more comprehensive inspection of the emergency work of Tianwan Nuclear Power Plant.