An atomizer, comprising: a shell ; a liquid supply received In the shell , the liquid supply being configured for storing tobacco liquid, the liquid supply having an open end; and an atomizing assembly, the atomizing assembly comprising: a liquid conducting element , an end of the liquid conducting element being engaged in the open end; a heating disk arranged at an opposite end of the liquid conducting element ; and a liquid absorbing body sandwiched between the liquid conducting element and the heating disk , the liquid conducting element being configured for conveying the tobacco liquid from the liquid supply to the liquid absorbing body , the heating disk being configured for heating the tobacco liquid in the liquid absorbing body to vaporize; characterized In that the liquid conducting element comprises a bottom plate and a column-shaped part extending from the bottom plate , the bottom plate being in contact with the liquid absorbing body , and the column-shaped part being engaged in the open end, wherein the bottom plate defines a plurality of air holes , and two opposite ends of the heating disk pass through two of the air holes , respectively. a shell ; a liquid supply received In the shell , the liquid supply being configured for storing tobacco liquid, the liquid supply having an open end; and an atomizing assembly, the atomizing assembly comprising: a liquid conducting element , an end of the liquid conducting element being engaged in the open end; a heating disk arranged at an opposite end of the liquid conducting element ; and a liquid absorbing body sandwiched between the liquid conducting element and the heating disk , the liquid conducting element being configured for conveying the tobacco liquid from the liquid supply to the liquid absorbing body , the heating disk being configured for heating the tobacco liquid in the liquid absorbing body to vaporize; characterized In that the liquid conducting element comprises a bottom plate and a column-shaped part extending from the bottom plate , the bottom plate being in contact with the liquid absorbing body , and the column-shaped part being engaged in the open end, wherein the bottom plate defines a plurality of air holes , and two opposite ends of the heating disk pass through two of the air holes , respectively. a liquid conducting element , an end of the liquid conducting element being engaged in the open end; a heating disk arranged at an opposite end of the liquid conducting element ; and a liquid absorbing body sandwiched between the liquid conducting element and the heating disk , the liquid conducting element being configured for conveying the tobacco liquid from the liquid supply to the liquid absorbing body , the heating disk being configured for heating the tobacco liquid in the liquid absorbing body to vaporize; characterized In that the liquid conducting element comprises a bottom plate and a column-shaped part extending from the bottom plate , the bottom plate being in contact with the liquid absorbing body , and the column-shaped part being engaged in the open end, wherein the bottom plate defines a plurality of air holes , and two opposite ends of the heating disk pass through two of the air holes , respectively. <EOS>