There is provided a method for constructing a menu in a washing machine integrally having a drier where communication is possible. The method includes the steps of: transmitting sent data if a power is applied; reading received data that depends on transmission of the sent data; judging a connection state of the drier and the washing machine using the read and received data and displaying differently contents of a menu screen displayed on the display unit according to the judgment results. Therefore, a menu construction is changed depending on a communication state of the drier and the washing machine, so that whether one machine is independently used or works in cooperation with the other machine can be more easily recognized and a menu selection and checking are easy, thus user convenience can be improved.