The utility model provides a hazardous waste's feed system and hazardous waste burn burning furnace, the feed system includes: the hopper, chute, feed dolly and the feed passageway that set gradually, its characterized in that, the feed system is still including setting up the hopper with pneumatic gate valve between the chute. The utility model provides a hazardous waste's feed system adopts pneumatic gate valve can solve the problem of the poor problem of the anti -backfire effect that exists and area material, card material simultaneously among the prior art.