A washing machine control system including a washing machine and a mobile device for communicating with the washing machine, the system comprising: the washing machine having a tag unit, the tag unit comprising: a tag storage unit for storing model information associated with the washing machine; and a transmitting and receiving unit for transmitting the model information in response to the mobile device being tagged; and the mobile device comprising: a tag communication module for receiving the model information in response of being tagged by the tag unit; an internet module for receiving from an external server an operation course list of the washing machine corresponding to the model information via an internet protocol, when a control unit of the mobile device determines that an operation course selection mode can be performed based on the model information; a display for displaying the operation course list comprising the plurality of operation courses, when the internet module receives the operation course list; an input unit for selecting at least one of the plurality of operation courses in the operation course list; and wherein the control unit is configured to control the tag communication module to transmit information about a selected operation course to the washing machine in response to the tag communication module being tagged with the tag unit, wherein the washing machine is configured to perform an operation based on the received information about the selected operation course, and wherein the display operates as a touchscreen and the input unit is formed integrally with the display. the washing machine having a tag unit, the tag unit comprising: a tag storage unit for storing model information associated with the washing machine; and a transmitting and receiving unit for transmitting the model information in response to the mobile device being tagged; and a tag storage unit for storing model information associated with the washing machine; and a transmitting and receiving unit for transmitting the model information in response to the mobile device being tagged; and the mobile device comprising: a tag communication module for receiving the model information in response of being tagged by the tag unit; an internet module for receiving from an external server an operation course list of the washing machine corresponding to the model information via an internet protocol, when a control unit of the mobile device determines that an operation course selection mode can be performed based on the model information; a display for displaying the operation course list comprising the plurality of operation courses, when the internet module receives the operation course list; an input unit for selecting at least one of the plurality of operation courses in the operation course list; and wherein the control unit is configured to control the tag communication module to transmit information about a selected operation course to the washing machine in response to the tag communication module being tagged with the tag unit, a tag communication module for receiving the model information in response of being tagged by the tag unit; an internet module for receiving from an external server an operation course list of the washing machine corresponding to the model information via an internet protocol, when a control unit of the mobile device determines that an operation course selection mode can be performed based on the model information; a display for displaying the operation course list comprising the plurality of operation courses, when the internet module receives the operation course list; an input unit for selecting at least one of the plurality of operation courses in the operation course list; and wherein the control unit is configured to control the tag communication module to transmit information about a selected operation course to the washing machine in response to the tag communication module being tagged with the tag unit, wherein the washing machine is configured to perform an operation based on the received information about the selected operation course, and wherein the display operates as a touchscreen and the input unit is formed integrally with the display.