The utility model provides an assembling die for bridge plate is pour, includes inner formword, exterior sheathing and end mould board, wherein the exterior sheathing suit is outside at the inner formword, and the equal fixed connection end mould board in both ends of exterior sheathing and inner formword, its characterized in that: the end mould board is for assembling the structure, and this endmould board is including the roof, upper portion web, lower part web and the bottom plate that from top to bottom connect gradually, and four above -mentioned board interconnect department all radialsystem have a plurality of blind holes, blind hole interpolation dress locating pin, four above -mentioned board interconnect are sentenced and the body of assembling of four above -mentioned boardsall is provided with the seal with inside and outside template junction. The utility model discloses a pin -connected panel end mould board replaces the integral end mould board of bold, solved original technique in big, the long in time limit problem of erection weight, set up in addition that the blind hole is connected with the locating pin and two kinds of sealing mechanism sealed fixed, has improved the stability of assembling the end mould board, and has effectively prevented the condition emergence of lou starching.