The invention discloses a pencil storage device. The pencil storage device comprises a device barrel body, wherein a device cover plate is arranged at the top of the device barrel body, and a pencil outlet is inlaid in the surface of the device cover plate; a foam cushion layer is filled inside the device cover plate, a sliding rail is inlaid in the surface of the device barrel body, and a suckerbase is fixedly connected to the bottom end of the device barrel body; pushing blocks are arranged on the inner side of the sliding rail, the left side and the right side of each pushing block is provided with a connecting sliding block respectively, a connecting sliding groove is formed in the outer side of each connecting sliding block, and a pencil groove is formed in the top end of each connecting sliding block; and storage cavities are formed inside the device barrel body, a partition is arranged in each storage cavity, and a flow guide plate is arranged at the bottom of each storage cavity. According to the pencil storage device, four storage cavities are arranged, so that stored pencils can be classified, and the pencil storage device is more convenient to use, the use is more ordered, and the pencil groove can be lifted by the device through the sliding pushing block so that the pencil can be quickly taken out and is convenient to use.