Liquid storage assembly, atomizer and combined atomizing device

The utility model relates to the technical field of electronic atomization, and provides a liquid storage assembly, an atomizer and a combined atomization device. The liquid storage assembly comprises a first shell and a first sealing cover, the first shell is provided with a first liquid storage cavity and a first pipeline, the first pipeline is movably sleeved with the first sealing cover in a sealed mode, the first sealing cover is provided with a first sealing part, the first sealing part is opposite to the first pipeline, and the first sealing cover is provided with a first limiting part; when the liquid storage assembly and an atomizer with a second liquid storage cavity are assembled for use, the first limiting part is limited at the first through hole, so that the first pipeline moves relative to the first sealing part under the action of external force, the first sealing part is punctured, and the first liquid storage cavity and the second liquid storage cavity are communicated. The liquid storage as