The utility model discloses a 500kV substation equipment layout structure which comprises 220kV distribution equipment and 35kV distribution equipment. The 500kV substation equipment layout structure is characterized in that the structure adopts a dual-layer layout way; a platform is arranged; the 220kV distribution equipment is arranged above the platform; the 35kV distribution equipment is arranged below the platform; and a 35kV paralleling reactor is oil-immersed. According to the utility model, an equipment room is in compact layout and occupies a small area, the purpose of saving land resources is achieved while the requirement of compact general layout of a substation is met, and especially the requirement of layout of s particular narrow place.