An atomizing assembly for an electronic cigarette includes: a liquid absorption element made of porous ceramic, the liquid absorption element having a liquid absorption surface configured to absorb liquid, and an atomizing surface being opposite to the liquid absorption surface; and a heating element embedded in the liquid absorption element and configured to atomize the liquid absorbed by the liquid absorption element into atomized pas; wherein a side of the liquid absorption element having the liquid absorption surface has a higher thermal conductivity than a thermal conductivity of a side of the liquid absorption element having the atomizing surface.