The invention belongs to the field of concrete processing equipment and in particular relates to a material storage device for concrete powder. Aiming at solving the technical problems, the inventionprovides the material storage device for the concrete powder, which has the advantages of rapid discharging speed, capabilities of separating clustered concrete powder and improving the utilization rate of the concrete powder, and convenience for storing materials, and can be used for effectively preventing the powder from being blocked. The material storage device for the concrete powder comprises a first bracket, a separation box, a first motor, a first rotary shaft, a first separation gear, a first bearing seat, a second rotary shaft, a second separation gear, a discharging hopper and the like; the first motor and the first bearing seat are fixedly connected to an inner side wall of the separation box; the first rotary shaft is in transmission connection with an output end of the firstmotor. According to the material storage device for the concrete powder, the effects of rapid discharging speed, capabilities of separating the lustered concrete powder and improving the utilization rate of the concrete powder, convenience for storing the materials and capability of effectively preventing the powder from being blocked are realized.