PURPOSE: A buried lighting device installation structure and method for constructing the same is provided to obtain economic advantages by appropriately installing light devices at the desired position and eliminating the necessity of unnecessarily excavating the pavement. CONSTITUTION: A buried lighting device installation structure comprises a compacted bubble stone layer(2) having a predetermined thickness; a concrete support(3) formed onto the compacted bubble stone layer; and a lighting device can(4) having a lighting device(8) mounted onto the lighting device can. The concrete support includes the lighting device can(4) arranged at the center of the concrete support, and a pipe(5) for leading the electric wire which electrically connects the lighting device to an external power source. The lighting device can is installed at the center of the concrete support in such a manner as to be integrated with the concrete support. Disposed between the lighting device can and the concrete support is an expansible
