PURPOSE: A mound type circular bone powder laid gravestone is provided to use as a family type graveyard of more than three to five generations lay by making up a sitting place and a sitting portion to lay plenty of deceased. CONSTITUTION: To use a mound type circular bone powder laid gravestone(1), an outside opening/closing stone door(22a) is opened by removing a latch through a drawing out unit(20) as needed. A sitting place is rotated by a rotary roller in a sitting chamber(10) after opening an inside opening/closing stone door(21a). A necessary sitting coffin is drawn out from the sitting chamber and a bond powder porcelain is inputted. The sitting coffin is inserted in the sitting chamber and the inside and outside opening stone doors are closed. Lastly, the latch is installed.
