Abstract: In treatment equipment of organic waste provided with a high temperature and pressure treatment apparatus to produce a slurried material by conducting the high temperature and high pressure treatment of the organic waste, a dehydration treatment apparatus to recover the dehydrated solid matter by conducting the dehydration treatment of the slurried material and a water treatment apparatus to conduct the purification treatment of a separated liquid separated by the dehydration treatment apparatus, the treatment equipment of organic waste is characterized by having a crusher to crush said organic waste before conducting the high pressure and temperature treatment and providing to said high temperature and pressure treatment apparatus a steam blowing means to blow steam into the organic waste in said high temperature and pressure treatment apparatus, wherein said high temperature and pressure treatment apparatus is formed as a continuous reaction tank to which the organic waste is continuously supplied and to wh