The new device and technology, used to treat distributed domestic waste, has the advantages of inexpensive price, low running cost and with no need for aided energy (like oil and electricity) in running process which will not case secondary pollution. Moreover, it is convenient to use and no need for person on duty. Pyrolysis rate can be controlled artificially and 3 to 10 tons of domestic waste can be pyrolyzed in a day, whose volume reduction ratio is 1/40. It can realize continuous running for 365 days.