The utility model discloses an intelligence street lamp economizer system, include a plurality of subcontrol ware and the main control unit who is connected with minute controller signal, the input of subcontrol ware is connected with vehicle detection module and pedestrian detection module respectively, and the output and the lighting module of subcontrol ware are connected, and the subcontrol ware all provides the power through power module with lighting module. The utility model discloses an intelligence street lamp economizer system, can the vehicle through the time provide sufficient illumination degree, when not having the vehicle to pass through simultaneously, can keep the zero luminance luminous again, saved electricity cost, realize " bright lamp as required ", only the people, illuminate the road when car is through -flow.