The utility model discloses a plastic mold is pasted to external tile, including and making and be hollow structure die frame, an at least horizontal plastic sheet and an at least vertical plastic sheet by plastics, die frame's inner wall is connected respectively at the both ends of horizontal plastic sheet, and die frame's inner wall is connected respectively at the both ends of vertical plastic sheet, and horizontal plastic sheet sets up with vertical plastic sheet vertical cross, becomes a plurality of to die frame's internal partitioning and holds the chamber, holds the external tile that the chamber is used for holding outer wall leatheroid brick. The utility model adopts the above structure, simple structure adopts the plastic material, and is easy and simple to handle and with low costs, can reduce effectively that to fall to the ground material such as ash extravagant, and supplementary construction is easy and simple to handle, and the quality is reliable, and is with low costs, has fine popularization and application and worth.