The utility model discloses an it is the six face -pieces body of being amounted to by each panel that experimental mould of prosthetic high polymer slip casting in simulation road surface, characterized by set up mold shell, and each panel branch maybe the upper plate, lower plate, back end plate, front end -plate, preceding curb plate and posterior lateral plate, and the six face -pieces body can launch into a sheet, the sheet be with the lower plate coplane, follow the length direction interval and set up each baffle in the six face -pieces body, separate the inner chamber of the six face -pieces body for each independent membrane chamber, be provided with the thick liquid hole at the baffle center, seted up the upper plate injected hole on the upper plate, be provided with the upper plate apron of usable elasticity self -sealing upper plate injected hole on the lateral wall of upper plate, offered the front end -plate injected hole on the front end -plate, be provided with the front end -plate apron of usable elasticity self -sealing front end -plate injected hole on the lateral wall of front end -plate. The utility model discloses the high polymer slip casting that can simulate different graded aggregate, different road surfaces structure is experimental, and the specimen molding is efficient and the size is diversified, the extension die life.