Abstract: Based on the actual road network and road conditions, the fire station accessibility analysis is carried out. Combined with the population big data and urban POI data, the research is carried out from three aspects: the fire service station area, the fire station service population, and the fire station coverage POI. This paper selects Guangzhou as the research object for analysis and evaluation, and analyzed the problems in Guangzhou. The study can provide strong support for the next step of facility layout optimization.

Key words: fire station, service capability, coverage capability, big data.