A toilet device comprising: a pedestal configured to be mounted on an installation surface; and a toilet body configured to be set on the pedestal, the toilet body including: a bowl having a waste outlet and configured to receive wastes and drain the wastes through the waste outlet; and a water inlet configured to supply water into the bowl, the toilet device further comprising: a water supply unit attached to the pedestal, connected to the water inlet through a water inlet line, and configured to selectively provide or stop supply of water to the water inlet; a waste breaking unit attached to the pedestal, connected to the waste outlet through a waste outlet line, and configured to break, into pieces, the wastes drained through the waste outlet; an inlet line disconnector configured to disconnect the water supply unit from the water inlet; and an outlet line disconnector configured to disconnect the waste breaking unit from the waste outlet, the pedestal including a bottom plate facing the installation surface, wherein the bottom plate is interposed between the units and the installation surface and is able to receive, even when water leaks out of the units, the water, the units include the waste breaking unit and the water supply unit, and the pedestal further includes a standup surface that stands up along the outer periphery of the bottom plate. a pedestal configured to be mounted on an installation surface; and a toilet body configured to be set on the pedestal, the toilet body including: a bowl having a waste outlet and configured to receive wastes and drain the wastes through the waste outlet; and a water inlet configured to supply water into the bowl, the toilet device further comprising: a water supply unit attached to the pedestal, connected to the water inlet through a water inlet line, and configured to selectively provide or stop supply of water to the water inlet; a waste breaking unit attached to the pedestal, connected to the waste outlet through a waste outlet line, and configured to break, into pieces, the wastes drained through the waste outlet; an inlet line disconnector configured to disconnect the water supply unit from the water inlet; and an outlet line disconnector configured to disconnect the waste breaking unit from the waste outlet, the pedestal including a bottom plate facing the installation surface, wherein the bottom plate is interposed between the units and the installation surface and is able to receive, even when water leaks out of the units, the water, a bowl having a waste outlet and configured to receive wastes and drain the wastes through the waste outlet; and a water inlet configured to supply water into the bowl, the toilet device further comprising: a water supply unit attached to the pedestal, connected to the water inlet through a water inlet line, and configured to selectively provide or stop supply of water to the water inlet; a waste breaking unit attached to the pedestal, connected to the waste outlet through a waste outlet line, and configured to break, into pieces, the wastes drained through the waste outlet; an inlet line disconnector configured to disconnect the water supply unit from the water inlet; and an outlet line disconnector configured to disconnect the waste breaking unit from the waste outlet, the pedestal including a bottom plate facing the installation surface, wherein the bottom plate is interposed between the units and the installation surface and is able to receive, even when water leaks out of the units, the water, a water supply unit attached to the pedestal, connected to the water inlet through a water inlet line, and configured to selectively provide or stop supply of water to the water inlet; a waste breaking unit attached to the pedestal, connected to the waste outlet through a waste outlet line, and configured to break, into pieces, the wastes drained through the waste outlet; an inlet line disconnector configured to disconnect the water supply unit from the water inlet; and an outlet line disconnector configured to disconnect the waste breaking unit from the waste outlet, the pedestal including a bottom plate facing the installation surface, wherein the bottom plate is interposed between the units and the installation surface and is able to receive, even when water leaks out of the units, the water,