Atomizer with separable oil core

The utility model discloses an atomizer with a separable oil core, and relates to the technical field of atomizers. The atomizer comprises a liquid storage bin with a hollow structure and an atomization assembly arranged in the hollow structure, a liquid inlet is formed in the atomization assembly, atomized liquid in the liquid storage bin flows into the atomization assembly through the liquid inlet, and the atomization assembly is used for heating the atomized liquid to generate aerosol; an air guide pipe is arranged at the top of the atomization assembly in a sliding mode, a sleeve is arranged at the end, close to the atomization assembly, of the air guide pipe, a suction nozzle detachably assembled with the air guide pipe is arranged at the other end of the air guide pipe, and the suction nozzle is used for a user to suck the aerosol. The suction nozzle is further used for being pushed by a user to drive the sleeve to cover the liquid inlet in the atomization assembly. According to the atomizer adopting th