In order to ensure the safe operation of marine floating nuclear power plants,the human factors in marine floating nuclear power plants are systematically understood.Based on the analysis of human factors in small reactors and ships,the characteristics of human factors in floating nuclear power plants are summarized.Then,the HFACS model is established.The influencing factors of human error in floating nuclear power plant are discussed from five aspects:external factors,organizational factors,unsafe supervision,unsafe behavior and its preconditions,and from the perspective of human,material,sys...