There is provided a remote controller facilitating the operation concerning reproduction of recorded program data and having a user-friendly function. The remote controller (50) transmits an operation signal of a digital recording/reproducing device (10) which has recorded television programs. The remote controller (50) includes a power button (60) for turning on/off power of a TV for displaying the output data of the digital recording/reproducing device (10) and a reproduction button (80) for reproducing program data. The reproduction button includes: a first operation unit (81) which has time marks from 1 o'clock to 24 o'clock and can be rotated rightward and leftward; a second operation unit (82) which is formed on the first operation unit (81) with a smaller size than the outer diameter of the first operation unit (81),has time marks from Sunday to Saturday and can be rotated rightward and leftward; and a reproduction decision unit (83) formed on the second operation unit (82) with a smaller size than the outer diameter of the second operation unit (82) for deciding the day-of-week mark and the time mark specified by the first operation unit (81) and the second operation unit (82).