Cooker core of large/small cooker

The utility model discloses a cooker core of a large/small cooker. Particularly, flow drop oil supply cooker cores of various existing large/small cookers are changed into cooker cores which have a spiral oil injection combustion supporting function, wherein a cylindrical top opening is formed in the upper part of a coiled and overlapped combustion core chamber, a main body is a cylindrical vertical barrel, the bottom is of an ellipsoid concave circle curved surface arc streamline shape, an arc pit is formed smoothly, a combustion machine inlet is formed in a core communication chamber on the right of the bottom or on one of the left side, the right side, the front side and the rear side, and a combustion machine is additionally mounted at the combustion machine inlet.