The invention relates to thermal equipment, in particular to a combustion device. The combustion device comprises a first shell body and further comprises a gasification chamber, an gas blowing system, and a fuel supply system, wherein the gasification chamber is arranged in the first shell body and comprises a gas inlet and a gas flow jetting outlet, the gas blowing system comprises a fan and a gas channel connected with the fan, the gas channel extends to the gasification chamber and communicates with the gas inlet, the fuel supply system comprises an ignition end extending into the gasification chamber, and the heat generated in the combustion process of the ignition end is used for gasifying fuel into combustible gas. According to the combustion device, the fuel is effectively utilized, and the combustion efficiency of the combustion device is improved.