Baking principle of bionic ancient stone kiln, high temperature closed temperature field, strong thermal convection and unique cooking flavor; 32 1 stainless steel baking tube is temperature controlled up and down, with strong vertical flavor; The four tubes are heated evenly, the temperature of the inner container is even, and the deep penetration of heat induces the stone kiln to burn incense; Hot air circulation heating, temperature field balanced heating; Automatic rotary baking, surrounded by heat flow, makes food more delicious.