In the cover for a blood pressure meter according to the invention, a coupling region that is detachably attached to a bottom surface of a main body is provided on one end. A tray region that is disposed so as to face a back surface of the main body and receives an accommodated cuff belt is connected to the coupling region. A panel cover region capable of covering a front panel of the main body is provided on the other end. A storage cover region that connects the tray region and the panel cover region is provided. In a cover-coupled state where the coupling region is detachably attached to the bottom surface of the main body, the panel cover region and the storage cover region are configured to be openable and closable with respect to the front panel and the tray region.