Atomization device and protection circuit for generating large current in short circuit thereof

The utility model relates to the technical field of electronic products, and discloses an atomization device and a protection circuit for large current generated by short circuit of the atomization device. The atomization device comprises a power supply, a fuse, an MOS (Metal Oxide Semiconductor) tube, a fixed value resistor, an abnormal detection point and an over-temperature protection device, two ends of the fuse are respectively connected with the positive electrode of the power supply and the drain electrode of the MOS tube, the grid electrode of the MOS tube is connected with the over-temperature protection device, and one end of the abnormal detection point is connected with the source electrode of the MOS tube and is connected with one end of the fixed value resistor; the other end of the abnormal detection point is respectively connected with the over-temperature protection device and a ground wire to detect whether the rear end of the circuit is short-circuited, if the abnormal detection point is sh