An animal/plant environment container includes a container body having a floor, a peripheral wall, and a ceiling wall, and a water-storable watertight section provided at a lower portion of the container body. A floor surface of the floor includes an inclined surface inclined downward toward a front side. A drain hole for discharging water in the watertight tank section to an outside of the container body is formed at a lower end section of a front wall of the peripheral wall.
