A pulley anchor dock for a shutter cord made from plastic and formed substantially as a U-shaped dock in an integrated manner. The dock has a bottom plate and a side plate located respectively on a left side and a right side thereof. The bottom plate holds a closed fort-like holding seat in the center that is extended upwards. The holding seat has at least two interdental spaces corresponding to each other in vertically to form a plurality of holding troughs. The corresponding holding troughs on the upper side and the lower side can jointly hold an axle of a pulley. The pulley allows a shutter cord to wind thereon to control lifting and lowering of a shutter.