The pan body is a hemispherical stainless steel pot body formed by one-step stamping. It adopts steam or others heating mode. The stirring method adopts special tilt transmission. The planetary agitator is fully in contact with the pot body to Realize the non-integer ratio of transmission revolution and rotation. No dead corner of stirring in the pot. Use advanced transmission and sealing structure to make the drive part and the pot clean and hygienic. Using frequency conversion speed control power, the operation is more stable.