Atomizer, atomization main machine and electronic atomization device

The electronic atomization device comprises the main machine and the atomizer, the main machine comprises a first shell, a power module and a first electrode assembly, the first shell is provided with a containing cavity, and the containing cavity is provided with a first opening and a second opening which are oppositely arranged; a suction nozzle communicated with the accommodating cavity is arranged at the top of the first shell; the power supply module is mounted in the first shell; the first electrode assembly is exposed, is arranged on the cavity wall of the accommodating cavity and is electrically connected with the power supply module; the atomizer is provided with an air outlet and a second electrode assembly, the atomizer is detachably inserted into the containing cavity, the air outlet of the atomizer is communicated with the suction nozzle of the main machine, and the second electrode assembly is electrically connected with the first electrode assembly. According to the electronic atomization devic