An atomizer with easy assembly and disassembly is disclosed including: an atomizer body; a liquid storage chamber formed inside the atomizer body and configured for storing the tobacco liquid; an aerosol generator, configured for aerosolizing tobacco liquid from the liquid storage chamber to generate an aerosol, and capable of being inserted into the tobacco liquid chamber from an end of the atomizer body; an air pipe, disposed inside the atomizer body and configured for conducting the aerosol generated by the aerosol generator; and a base component, connecting an end of the aerosol body by snap joint; the base component abuts against a first end of the aerosol generator such that a second end of the aerosol generator connects the air pipe.