Concrete sample storage device

The utility model provides a concrete sample storage device, which comprises a base, a square rod, a plurality of supporting rods and a plurality of supporting rods, a storage groove is formed in the upper end of each storage box, a sponge barrel is arranged in each storage box, a storage cavity used for containing concrete samples is formed in each sponge barrel, a sponge pad corresponding to each storage cavity is arranged at the bottom end of each storage box, square holes matched with the square rods are formed in the storage boxes, the square rods are installed on the inner sides of the square holes of the storage boxes, and the number of the storage boxes is multiple. A plurality of storage boxes are stacked; and the cover plate is used for sealing the opening of the storage box at the uppermost end. The concrete sample storage device has the beneficial effects that one storage box is placed on the base, concrete samples are placed in the storage cavity, a plurality of storage boxes are stacked in seque