To provide a height adjustable simple bed for a body and legs which realizes adjusting of the height of a bed part for placing the body and legs so as to take an easy posture while keeping the state of raising the legs high and which is light-weight, compact and easy to handle.

Both of front and back leg parts 3 and 4 for supporting the bed part 2 for placing the body and legs are made to be height adjustable. The bed part 2 is divided into three parts of a front bed part 2a for placing femoral regions, rear bed front and rear parts 2b1 and 2b2 for placing cruris and feet. Then, the front bed part 2a and the rear bed front part 2b1 are connected in a foldable and returnable state, the rear bed front and rear parts 2b1 and 2b2 are connected in the foldable and returnable state, the front leg part 3 is connected to the front bed part 2a in the foldable and returnable state near the rear end of the front bed part 2a, and the rear leg part 4 is connected to the rear bed rear part 2b2 in the foldable and returnable state near the rear end of the rear bed rear part 2b2.