PURPOSE: To obtain a hygienic manual flushing toilet stool for dog and cat.

CONSTITUTION: This manual flushing toilet stool for dog and cat comprises a combination of an inclined dropping face 3 which a pet enters and evacuates feces, a stool 1 having a drain hole 4 made at the bottom of the inclined dropping face 3 and a water storage tank 7 standing at the front end of the stool 1, forms a cleaning water channel opening from a water storage chamber in the water storage tank 7 through the interior of an edge 2 of the stool 1 to the top of the inclination of the inclined dropping face 3. The manual flushing toilet stool for pet is equipped with an automatic water supply valve for feeding water in the interior of the water storage tank 7 up to given water depth and with a drain valve to be manually opened and closed.