The invention provides a special-shaped prefabricated floor slab mold. The special-shaped prefabricated floor slab mold comprises a boss, wherein the boss is provided with a first set of templates anda second set of templates, the first set of templates are located on the left side of the boss, the second set of templates are located on the front side of the boss, the right sides of the first setof templates are provided with a third set of templates, the front sides of the third set of templates are provided with a fourth set of templates, the third set of templates are located on the rearside of the boss, the fourth set of templates are located on the right side of the boss, the fourth set of templates are located on the rear side of the second set of templates, a fifth template is arranged between the first set of templates and the second set of templates, the fifth template is located on the upper side of the boss, the fifth template is positioned on the front side of the thirdset of templates, and the fifth template is positioned on the left side of the fourth set of templates. According to the special-shaped prefabricated floor slab mold, the production of floor slabs isprefabricated, standardized and industrialized by the mold, the quality of the floor slabs is guaranteed, the production efficiency of the floor slabs is improved, and reliable guarantee is provided for field assembly; and an auxiliary workpiece of an embedded part is arranged on the mold, so that the installation precision of the embedded part is improved, and the quality of the floor slabs is optimized.