Atomizer with magnetic locking structure and aerosol generating device

The utility model discloses an atomizer with a magnetic locking structure and an aerosol generating device. The atomizer with the magnetic locking structure comprises a top shell, a bottom cover, a base and an atomizing core. The bottom cover is connected to the lower end of the top shell. The base is movably connected to the lower end of the bottom cover. The atomizing core sequentially penetrates through the base and the bottom cover, and the upper end of the atomizing core is located in the top shell. The base is provided with a first magnetic part and a second magnetic part, the second magnetic part is located below the first magnetic part, and the magnetic pole of the lower end of the first magnetic part is the same as that of the upper end of the second magnetic part; the bottom cover and the base are provided with grooves matched with the first magnetic pieces, and the first magnetic pieces can move in the axial direction of the grooves. A sliding groove matched with the second magnetic piece is formed