A dish washing machine having a basket height adjusting apparatus. The dish washing machine includes a machine body having a washing tub defined therein, a basket disposed in the washing tub to receive dishes to be washed, and a basket height adjusting apparatus. The basket height adjusting apparatus includes a support bracket mounted at each side of the basket such that the support bracket can be moved vertically, rollers mounted to the support bracket to slide the basket forward and backward, and an adjusting lever mounted at the basket to adjust a vertical movement of the support bracket and to thereby adjust the height of the basket. The adjusting lever is moved along with the basket. Consequently, in the present invention, the thumb of a user is not caught in the basket and injured when the user rotates the adjusting lever.