The invention relates to a drying device, in particular to a drying device for writing brushes. The drying device for the writing brushes can dry the writing brushes, keep a writing desk clean and improve the writing brush drying efficiency, and comprises a bottom plate, an up-down moving device, a transverse plate, first hooks, a drying device body and the like, wherein the up-down moving device is arranged at the top of the bottom plate, a moving component of the up-down moving device is connected with the transverse plate, the multiple first hooks are connected to the bottom of the transverse plate from left to right and at even intervals, and the drying device body is arranged at the position, in the up-down moving device, of the top of the bottom plate. According to the drying device for the writing brushes, a piston is made to move up and down continuously to generate wind force to blow the writing brushes dry quickly, and thus the writing brushes are dried.