To provide a waste treatment apparatus which can effectively utilize the heat of a high-temperature gas exhausted through a deodorization device.

The waste treatment apparatus is provided with a treatment vessel 1, an inlet 7 for sucking outside air into the treatment vessel 1, an exhausting port 6 for exhausting an exhaust gas from the treatment vessel 1, an exhaust means such as an exhaust fan 10, an agitation means 9 for agitating the waste in the treatment vessel 1, and a deodorization device 5. An exhaust vessel 2 communicating with the treatment vessel 1 and the exhausting port 6 is provided in a place adjacent to the treatment vessel 1.