Household garbage decomposition and waste gas treatment system

The invention discloses a household garbage decomposition and waste gas treatment system. The system comprises a feeding device, a garbage decomposition device, a waste gas filtering device, a waste gas secondary treatment device and an exhaust device; the feeding device is provided with a belt type automatic feeding machine, and the feeding device is used for feeding the household garbage into the garbage decomposition device; the garbage decomposition device is provided with a decomposing furnace, and is used for decomposing the household garbage; the waste gas filtering device is used for filtering the waste gas generated by decomposition of the household garbage; the waste gas secondary treatment device is used for carrying out a secondary treatment on the filtered waste gas; and the exhaust device is used for discharging the treated gas. According to the system, the household garbage can be decomposed, the waste gas generated after the decomposition can be treated so that garbage treatment efficiency can