The invention discloses an atomizing device for surgical nursing. The atomizing device comprises a working plate, a rotating hole, a rotating rod, a transmission gear, a rotating disc, a rotating handle, a lead screw, an upper bearing seat, a lower bearing seat, a fixed support, a roller, a heightening seat, a buffer pad, a locking valve, a foot pad plate, a supporting handle, a medicine preparation device, a hanging frame, a connecting pipe, a protective cover, a nozzle and a threaded pipe. The atomizing device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, medicinal materials needing to be used can be directly cooked in the device by arranging a medicine preparation device, and it is avoided that when medicine liquid is prepared externally, the medicine liquid is polluted by the outside, and the medicine effect on a patient after atomization is affected by the standing time after medicine liquid preparation; an arrangedstorage net bag can prevent medicinal materials from being mixed into liquid medicine to block the atomizing opening, and meanwhile medicine residues can be conveniently taken out and cleaned.