The invention discloses a safe and environment-friendly oil refining technology achieving cracking recycling of waste organic matter by means of continuous feeding and slag discharging.The waste organic matter is sequentially treated with a stock bin, a crushing device, a magnetic separator, a drying device, a cracking catalyst stock bin, a constant-temperature efficient auger-type liquid heat-conducting medium heating device, a heat-conducting medium heating device, a liquid adsorption-type gas dedusting device, a carbon black collecting device, a catalytic restructuring device, a first-stage constant-temperature gas-liquid separation device, spray devices, high-temperature heat exchange devices, oil product neutralization devices, impurity filtering devices, finished product collecting devices, a second-stage gas-liquid separation device, a room-temperature gas-liquid separation device, an oil-water separation device, a tail gas treatment device, a tail gas recycling device, a waste water treatment device and a safety pressure relief device.By means of the safe and environment-friendly oil refining technology, the full set of functions from recycling to production oil refining of the waste organic matter can be achieved, continuous operating of the whole set of the functions is guaranteed, and therefore the production efficiency is greatly improved, and the production technology is optimized.