NOVELTY - Method for processing thermal hydrolysis and anaerobic digestion, involves using device comprising sorting system, thermal hydrolysis system, anaerobic digestion system, a biogas treatment system, steam supply system and dewatering system, pumping sorted organic garbage into the slurry tank of the thermal hydrolysis system and uniformly mixing, pumping the mixture in slurry tank into a reaction tank, pumping the mixture in the reaction tank into a pressure relief tank, and finally importing the mixture in the pressure relief tank into heat exchanger.    USE - The method is useful for processing thermal hydrolysis and anaerobic digestion for household refuse (claimed).    ADVANTAGE - The method enables to realize purposes of harmlessness and reduction of household refuse, is cost-effective and suitable for continuous operation processing, and improves dehydration rate of biogas feed to 30%, thus reducing transportation costs.    DETAILED DESCRIPTION - Method for processing thermal hydrolysis and anaerobic digestion, involves using device comprising sorting system, thermal hydrolysis system, anaerobic digestion system, a biogas treatment system, steam supply system and dewatering system, pumping sorted organic garbage into the slurry tank of the thermal hydrolysis system and uniformly mixing for 1.5 hours, pumping the mixture in slurry tank into a reaction tank for 20-30 minutes, pumping the mixture in the reaction tank into a pressure relief tank for 1.5 hours, and finally importing the mixture in the pressure relief tank into heat exchanger. An INDEPENDENT CLAIM is included for device, which comprises sorting system, thermal hydrolysis system, anaerobic digestion system, biogas treatment system, steam supply system and dewatering system, the thermal hydrolysis system comprises thermal hydrolysis pulping tank, reaction tank, pressure relief tank and heat exchanger, the separating system is connected with the organic garbage inlet and outlet of reaction tank, the pulping tank is connected with industrial pulping tank waste gas outlet, the inlet and outlet organic garbage of the pressure tank of the reaction tank is connected with the steam outlet of the reaction tank, the reaction tank is connected with the steam inlet of the pulping tank, and steam outlet of the steam supply system is connected with the reaction tank.