Design scheme of Ohmic heating sterilization system was expatiated.And material utilization of Ohmic heating sterilization technique was studied by this system.[Result] showed that this control system met the need of test,and could realize constant pressure,constant temperature and timing control with ideal voltage waveform.Ohmic heating method had obvious sterilization effect on E.coli.The influence laws of treatment voltage,heat preservation time and treatment frequency on residual rate of E.coli were obt...