Atomization device

The invention relates to an atomization device which comprises an atomizer, the atomizer comprises a liquid guide cavity and an atomization assembly, and the atomization assembly is arranged in the liquid guide cavity; the liquid guide part is arranged on the atomizer, and one end of the liquid guide part is communicated with the liquid guide cavity; the main machine comprises a liquid storage cavity, and the atomizer is movably connected to the main machine; the liquid guide part can move between a first position and a second position relative to the main machine along with the atomizer, the liquid guide part is isolated from the liquid storage cavity at the first position, and the liquid guide part extends into the liquid storage cavity at the second position, so that the liquid storage cavity is communicated with the liquid guide cavity. When liquid injection is needed, the liquid guide piece moves to the second position and can stretch into the liquid storage cavity, and liquid injection is completed; whe