A payment device of an embodiment includes a first reading unit and a second reading unit each of which reads a symbol attached to a product; a notification part; and a controller, wherein the controller determines whether the first reading unit has read a symbol within a predetermined time when the second reading unit reads a symbol attached to the product, the controller causes the notification part to issue a notification that a symbol has been read when the first reading unit has read the symbol, and the controller causes the notification part to issue a notification that the symbol has been read after a lapse of the predetermined time when the first reading unit has not read the symbol within the predetermined time.