To provide a material supply box that can dissolute heterogeneity of concrete filling degree in a concrete form, and that is the material supply box that is used for concrete block molding equipment.

Provided is a material supply box 4 that is used to supply concrete in a concrete form in concrete block molding equipment, the material supply box is characterized in that a revolution roller 6 that is made to be able to revolve while performing pressing force of a top face of concrete in the concrete form 9 is attached to a front face of the material supply box 4.