Abstract: An atomizing structure and an atomizer are disclosed. The atomizing structure includes a ceramic part, a heating part and a shell. The heating part is connected with the ceramic part. The ceramic part is arranged in the shell, a side wall of the shell is provided with a liquid inlet region, and the liquid inlet region extends through the side wall of the shell. An annular cavity is arranged between an inner wall of the shell and an outer wall of the ceramic part, the annular cavity is arranged around the outer wall of the ceramic part, an atomized liquid is capable of entering the annular cavity through the liquid inlet region, and the atomized liquid in the annular cavity is capable of entering the ceramic part through pores in the ceramic part.