Abstract: Objective: Station spacing is one of the important parameters for urban rail transit line planning, and has a great impact on passenger flow attraction and passenger travel time. At present, research on station spacing mainly stays in the theoretical aspect. To better conduct line network planning and station spacing setting, it is urgent to carry out investigation, statistics, and analysis of station spacing. Method: The station spacing of the top six urban rail transit line networks in China by length is empirically studied, and the relationship between station spacing and aspects including urban scale, regional resident population density and line passenger intensity is analyzed. Result & Conclusion: The urban scale has a certain impact on the average station spacing, and there is an overall positive correlation trend between station spacing and urban area, while the station spacing shows an overall negative correlation trend with regional resident population density. Within the same city, there is an overall negative correlation trend between line passenger flow load intensity and line station spacing.