The invention relates to a treatment device for panel-shaped work pieces (3), especially a panel dividing saw with a machine frame (4) providing a supporting surface (5) for the work pieces (3). Said device further comprises a holding down appliance (15) which can be adjusted in the vertical direction relative to the supporting surface (5) and a feeding and guiding device which is provided with a chucking device for the work pieces (3) and which can be adjusted in a plane parallel to the supporting surface (5). At least one fixture support (32) can be displaced linearly in said machine frame (4) along a height and/or a lateral guideway (30). A treatment device is arranged on the fixture support (32) and can be adjusted in a vertical direction relative to the supporting surface (5). Two treatment devices are preferably arranged on the fixture support (32) which are adjusted independently of and relative to one another in a vertical direction relative to the supporting surface (5) via adjustment devices (43). At least one of the treatment devices is configured as a milling device (39). The adjustment devices (43) for the treatment devices are provided with a path-measuring system (44) which is connected to a control and/or monitoring device.