Abstract: In order to analyze the influencing factors and dynamic development of fire safety supervision capability, the fire safety supervision capability was deconstructed according to the theory of system management. The index system of fire safety supervision capability construction is constructed. Based on the interactive logical relationship between the five subsystems, a causal diagram and a stock flow chart of fire safety supervision capability was drawn. Based on this, combined with research and questionnaire survey, the variable equations and constant parameters in the model were obtained, and the effects of different input proportions on the growth of fire safety supervision capabilities were investigated using simulation. The research results showed that the system dynamics model of fire safety supervision capability could predict the improvement effect of fire safety supervision capability and fully reflect the relationship between variables in the system; invest in fire investigation, regulation construction and supervision organization, publicity and education, public supervision, personnel capability and information technology under the balanced investment plan, the increase of fire safety supervision capacity was the best; increasing the investment in a single branch was not conducive to achieving the construction objectives. The model was in line with the actual situation of fire supervision. And it had certain applicability and application value.

Key words: fire safety, system dynamics, fire supervision, fire enforcement