Abstract: An apparatus for treating food waste and extracting bio oil includes: a fermentation dryer which ferments and decomposes food waste for 24 hours to reduce moisture contained in the food waste to 40 to 50%, a crusher which crushes the food waste into small particles, a distillation tank which heats the crushed food waste at low pressure and temperature so that oil is gasified by means of low temperature thermal decomposition to form oil gas, a distillation tower in which the oil gas is cooled to be liquefied and separated into moisture (carbon liquid fertilizer) and oil, a vacuum storage tank which collects the separated oil, and a centrifugal separator which rectifies the oil. The apparatus extracts a carbon liquid fertilizer, bio oils, and activated carbon while treating organic substances such as food waste and residual product compost.