A portable ultrasonic atomizer includes a first component module and a second component module.The first component module includes a first housing,A power switch arranged on the first housing,And a first electric connection component arranged on the first shell；The second component module is detachably arranged on the first component module.The second component module includes a second housing,A cover body structure detachably arranged on the second shell body,A second electric connection component disposed on the second housing and electrically contacting the first electric connection component,And an atomizing structure detachably arranged in the second shell and electrically connected to the second electrically connected component.Because the atomization structure is detachably arranged in the second shell and electrically connected to the second electrically connected component, the convenience and speed of the atomization structure in assembly can be improved.一種可攜式超音波霧化器，其包括一第一組件模組及一第二組件模組。第一組件模組包括一第一殼體、一設置在第一殼體上的電源開關、以及一設置在第一殼體上的第一電連接組件；第二組件模組可拆卸地設置在第一組件模組上，其中第二組件模組包括一第二殼體、一可拆卸地設置在第二殼體上的蓋體結構、一設置在第二殼體上且電性接觸第一電連接組件的第二電連接組件、以及一可拆卸地設置在第二殼體內且電性連接於第二電連接組件的霧化結構。由於霧化結構可拆卸地設置在第二殼體內且電性連接於第二電連接組件，所以可提升霧化結構在組裝上的便利性和速度。
