Night city warning function step for building

The utility model relates to the technical field of building steps, in particular to a building night city warning function step which comprises a step fixing base, a pressure-bearing step block, a step supporting steel core, a step top lamp assembly and a step side lamp assembly. Ceiling lamp grooves are evenly distributed from an inner cavity of the steel core cavity to the upper surface of the pressure-bearing step block, side lamp grooves are evenly distributed from the inner cavity of the steel core cavity to the front end face of the pressure-bearing step block, the step supporting steel core is fixedly embedded in the steel core cavity in a matched mode, the step ceiling lamp assemblies are fixedly embedded in the ceiling lamp grooves in a matched mode, and the step side lamp assemblies are fixedly embedded in the side lamp grooves in a matched mode. According to the utility model, sufficient illumination is provided for the whole step at night through the step top lamp assembly and the step side lamp