Garbage incinerator

The utility model discloses a garbage incinerator, which belongs to a furnace and overcomes the shortage that the garbage incinerators in the prior art are insufficient in burning and easy to cause atmosphere pollution. The garbage incinerator mainly comprises a body, a smoke and fire buffering chamber and a whistle-shaped cyclone smoke eliminator, a garbage inlet is disposed on the body, a waste residue chamber and a garbage degradation chamber are arranged in the body, the smoke and fire buffering chamber is fixedly connected with the body, the whistle-shaped cyclone smoke eliminator is fixedly connected with the smoke and fire buffering chamber, and a flame outlet is arranged on the whistle-shaped cyclone smoke eliminator. The garbage incinerator is mainly used for garbage incineration of small towns, and can be further used for garbage incineration of large and middle-sized cities.