To provide a high bunk bed which is changed so as to be easily used in response to a room layout or a prescribed arrangement place.

A hanger rod 1 is selectively attached to the lower surface 11a of the front or rear side of a bed board part 11. A children's desk is arranged longitudinally opposite to the hanger rod 1. The upper end of a ladder is hooked to one of the front and rear side on which the hanger rod 1 is attached in a vertical beam 12 for supporting the bed, which is provided along the right or left side edge of the bed board part 11.