The utility model discloses an electric hoist installation structure for an attached lifting scaffold. The electric hoist installation structure comprises a bracket body arranged on one side of a building, lower hoisting points are arranged on the bracket body, and electric hoist hoisting points are arranged on the portions, above the lower hoisting points, of the building. An electric hoist is installed on the electric hoist hoisting points in an obverse hanging mode. Hoisting hooks of the electric hoist are connected to the lower hoisting points, and the electric hoist hoisting points are further provided with chain block steel wire ropes. The portions, above the electric hoist hoisting points, of the bracket body are provided with pulley block hoisting points, steel wire rope pulley blocks are arranged on the pulley block hoisting points, the chain block steel wire ropes penetrate through the steel wire rope pulley blocks, and the ends of the chain block steel wire ropes are connected with chain block weights. According to the electric hoist installation structure for the attached lifting scaffold, the chain block weights and the chain block steel wire ropes are arranged, the electric hoist can be moved easily among floors through the chain block weights; meanwhile, the obverse hanging installation method is adopted in the electric hoist, so the structure is simple, and the electric hoist will not be damaged easily.