A washing system comprising: a first washing apparatus; a second washing apparatus disposed above the first washing apparatus; one control panel, disposed at a front of the second washing apparatus and higher than the first washing apparatus, including a first user interface provided in a lower area and a second user interface provided in an upper area above the lower area, and at least one controller configured to control the one control panel, wherein the first user interface, located closer to a first door of the first washing apparatus than the second user interface, is configured to receive user inputs associated with the first washing apparatus, and the first user interface includes: a first power button configured to receive a user input for turning on or off power of the first washing apparatus, and a first start button configured to receive a user input for starting or stopping operation of the first washing apparatus, and wherein the second user interface, located closer to a second door of the second washing apparatus than the first user interface, is configured to receive user inputs associated with the second washing apparatus, and the second user interface includes a second power button configured to receive a user input for turning on or off power of the second washing apparatus, and a second start button configured to receive a user input for starting or stopping operation of the second washing apparatus, wherein the washing system is configured such that: in response to the user inputs associated with the first washing apparatus not being received for a predetermined time after turning on the first power button, the power of the first washing apparatus is configured to be turned off by the at least one controller; in response to the user inputs associated with the second washing apparatus not being received for the predetermined time after turning on the second power button, the power of the second washing apparatus is configured to be turned off by the at least one controller. a first washing apparatus; a second washing apparatus disposed above the first washing apparatus; one control panel, disposed at a front of the second washing apparatus and higher than the first washing apparatus, including a first user interface provided in a lower area and a second user interface provided in an upper area above the lower area, and at least one controller configured to control the one control panel, wherein the first user interface, located closer to a first door of the first washing apparatus than the second user interface, is configured to receive user inputs associated with the first washing apparatus, and the first user interface includes: a first power button configured to receive a user input for turning on or off power of the first washing apparatus, and a first start button configured to receive a user input for starting or stopping operation of the first washing apparatus, and a first power button configured to receive a user input for turning on or off power of the first washing apparatus, and a first start button configured to receive a user input for starting or stopping operation of the first washing apparatus, and wherein the second user interface, located closer to a second door of the second washing apparatus than the first user interface, is configured to receive user inputs associated with the second washing apparatus, and the second user interface includes a second power button configured to receive a user input for turning on or off power of the second washing apparatus, and a second start button configured to receive a user input for starting or stopping operation of the second washing apparatus, a second power button configured to receive a user input for turning on or off power of the second washing apparatus, and a second start button configured to receive a user input for starting or stopping operation of the second washing apparatus, wherein the washing system is configured such that: in response to the user inputs associated with the first washing apparatus not being received for a predetermined time after turning on the first power button, the power of the first washing apparatus is configured to be turned off by the at least one controller; in response to the user inputs associated with the second washing apparatus not being received for the predetermined time after turning on the second power button, the power of the second washing apparatus is configured to be turned off by the at least one controller. in response to the user inputs associated with the first washing apparatus not being received for a predetermined time after turning on the first power button, the power of the first washing apparatus is configured to be turned off by the at least one controller; in response to the user inputs associated with the second washing apparatus not being received for the predetermined time after turning on the second power button, the power of the second washing apparatus is configured to be turned off by the at least one controller.