Universal precast concrete mold

The utility model discloses a universal precast concrete mold. The universal precast concrete mold comprises a lower mold block, an upper mold plate, an upper mold plate connecting and fixing seat assembly and a changeable reinforcing plate, the upper template is detachably combined on the front upper side of the fixed upper plate; a plurality of upper mold plate connecting and fixing seat assemblies are distributed on the lower rear side of the upper mold plate at intervals; pearl cotton strips are correspondingly and detachably arranged at the top of the changeable reinforcing plate and the bottom of the upper template; bolt holes are correspondingly formed in the fixed upper plate and the lower module, and the fixed upper plate and the lower module are fastened and fixed through bolts; the left side and the right side of the upper die plate are correspondingly provided with component side die structures according to outer edge structures of prefabricated components, vertical tightening holes are formed in