The utility model provides a highway railway wall body fills adjustable template, belong to wall body construction technical field, present highway railway wall body can be solved and the bottom and basis contact leakiness that appears is poured into in the construction, the unable problem that realizes the fillet transition in top, including wall form a plurality of and wall body length matched,picture peg with wall form sliding fit's L type, cardboard and one end are equipped with reentrant angle's kicking block, the picture peg is located the wall form bottom, the picture peg stretches outthe wall form bottom with wall body parallel one side, the picture peg passes through adjust screw and is connected with wall form, the kicking block is located one side that the wall form top is close to the wall body, part that the kicking block stretches out the wall form top is passed through the cardboard on clamping screw and wall form top and is connected, the wall form bottom is equippedwith increases the bolt. Use the utility model discloses the construction has good outward appearance and quality.