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.