A latticing drop panel structure includes a plurality of columns (100 or 101) or walls, and a connecting member (210) including a concrete drop panel (219) having a cross-section area larger than that of the column (100 or 101) or the wall, wherein the connecting member (210) having four unit rods 212, surrounded around the drop panel (219) in a latticing form, wherein the unit rods (212) are parallel with the respective sides of the column and cross at the same level, whereby sagging displacement of the slab is reduced due to the existence of the drop panel.