Gypsum mold box convenient to disassemble

The plaster mold box comprises plaster mold box bodies, grooves are formed in the positions, close to the edges, of the bottom ends of the plaster mold box bodies, through holes are formed in the bottom ends of the interiors of the grooves, the upper plaster mold box body and the lower plaster mold box body are attached and fixed in the mode that bolts penetrate through the through holes, one ends of the bolts are in screwed connection with nuts, and the other ends of the bolts are in screwed connection with the nuts. And a cavity is formed in the plaster mold box main body. According to the plaster mold box, the grooves, the through holes, the bolts and the nuts are matched for use, so that when the upper plaster mold box body and the lower plaster mold box body are attached, the two grooves are aligned, then the bolts penetrate through the through holes, and the nuts are aligned with the bolts for fixation, the mode is simple to operate, the adhesive fixing mode is changed, and when the plaster mold box bod