Drying device control method and drying device

The invention discloses a drying device control method and a drying device, a filter removal process is designed, after a user sends a filter removal process starting instruction, the drying device controls a roller to operate according to the roller rotating speed indicated by the starting instruction, and a fan is started according to the fan rotating speed indicated by the starting instruction to introduce natural wind into the roller, so that the filter removal process is started. Clothes are driven to roll and beat through rotation of the drum, dust and thread scraps are promoted to be separated from the clothes, natural air outside the drum is introduced into the drum through rotation of the fan, and the natural air flows in the drum to take away the dust and the thread scraps and then is discharged from the air duct. On the basis of the removing and filtering process provided by the invention, dust removal and thread scrap filtering of the clothes are realized through rotation of the roller and operati