Fully automatic double layer sterilization pot uses hot water cyclic sterilization, suitable for sterilization when stacking tight food, heating start point high, fast, can quickly reach sterilization effect, improve food quality super maximum retention product original taste, process tank hot water in average every two minutes cycle once, all points temperature uniform, no dead corner, cooling fast, every two minutes to process tank fill once cold water, each time sterilization finished, hot water can be stored in the top tank, waiting for next use, shorten food heating time, improve work efficiency, pot door uses inflatable silicone rubber sealing ring, sealed reliable, long life, equipped with safety chain devices, fully automatic double layer hot water cyclic high temperature high pressure sterilization pot adopts a precise control of temperature, pressure, sterilization time throughout the process of sterilization.