The utility model provides a daylighting top operation platform structure, installs in the below on daylighting top, including under from and the basis, support and the top platform that connect gradually, the basis is steel frame foundation, fixes on the structure roof beam through coupling assembling, the support is the lattice column support, and welded connection is in basic top intermediate position department, top platform horizontally connect is at the top of support, still be connected with the suspension cable between the major structure of support around rather than, cable arrangement sets up at offside, the vertical interval in edge of support to one side, the wherein upper end and the leg joint of suspension cable, the lower extreme and the major structure of suspension cable are connected, completely hang the protection network between the major structure around rather than of the below of top platform, support, the bottom of top platform and the upper end of support are connected with the bearing diagonal between still, go up the bearing diagonal have a set of, along the outer surface loop of support to the setting. The utility model discloses the lower technical problem low with the efficiency of construction of daylighting top operation platform security who has determined traditionally.