A laundry machine that provides a plurality of washing courses (241-1 to 241-13), and when a specific washing course is selected from among the washing courses (241-1 to 241-13), is capable of changing at least one option accompanying the specific washing course, the laundry machine comprising: a rotatable manipulation unit (310, 4100) configured to select a specific washing course and to select at least one option accompanying the specific washing course; a display unit (240, 4400) configured to selectively display input items, comprising one or more selected from among a plurality of washing course icons, an option icon (242-1 to 242-4) indicating at least one option accompanying each of the washing course icons, and a start icon, inside the manipulation unit (310, 4100) in a radial direction thereof; at least one command input unit provided outside the display unit (240, 4400) in a radial direction thereof and inside the manipulation unit (310, 4100) in a radial direction thereof for inputting a washing course selected by the manipulation unit (310, 4100), changing the at least one option, and inputting a signal for executing and stopping the selected washing course; and a controller configured to control the display unit (240, 4400) such that predetermined information is displayed on the display unit (240, 4400) based on signals from the manipulation unit (310, 4100) and the command input unit, wherein the display unit (240, 4400) is formed in a circular shape, is provided inside the manipulation unit (310, 4100) in the radial direction thereof, and is configured to selectively display the input items, and wherein the command input unit comprises a first command input unit, configured to allow a user to input the washing course selected by the manipulation unit (310, 4100) and to change the at least one option, and a second command input unit, configured to perform start and stop of the course selected by the manipulation unit (310, 4100). a rotatable manipulation unit (310, 4100) configured to select a specific washing course and to select at least one option accompanying the specific washing course; a display unit (240, 4400) configured to selectively display input items, comprising one or more selected from among a plurality of washing course icons, an option icon (242-1 to 242-4) indicating at least one option accompanying each of the washing course icons, and a start icon, inside the manipulation unit (310, 4100) in a radial direction thereof; at least one command input unit provided outside the display unit (240, 4400) in a radial direction thereof and inside the manipulation unit (310, 4100) in a radial direction thereof for inputting a washing course selected by the manipulation unit (310, 4100), changing the at least one option, and inputting a signal for executing and stopping the selected washing course; and a controller configured to control the display unit (240, 4400) such that predetermined information is displayed on the display unit (240, 4400) based on signals from the manipulation unit (310, 4100) and the command input unit, wherein the display unit (240, 4400) is formed in a circular shape, is provided inside the manipulation unit (310, 4100) in the radial direction thereof, and is configured to selectively display the input items, and wherein the command input unit comprises a first command input unit, configured to allow a user to input the washing course selected by the manipulation unit (310, 4100) and to change the at least one option, and a second command input unit, configured to perform start and stop of the course selected by the manipulation unit (310, 4100).