A switchable odor emitting device comprises: a plurality of odor storage units and a switching control unit, each of the odor storage units comprising a container body and an scent driving member, the scent driving member is disposed on the container body, and the switching control unit comprises a signal receiving And an indication unit, the instruction unit signal connection signal receiving unit and the scent driving component receive an odor indication signal at the signal receiving unit, and the indication unit controls the corresponding scent driving member to start and control the non-corresponding scent driving component according to the odor indication signal stop. With the creation of the switchable odor emitting device, the odor emission can be freely switched as needed, the selectivity is high, and the concentration of the emitted odor can be controlled and the odor duration can be extended.一種可切換之氣味散發裝置，其包含：複數氣味儲存單元以及一切換控制單元，氣味儲存單元各自包括一容器本體及一氣味驅動構件，氣味驅動構件設置於容器本體，切換控制單元包括一訊號接收部及一指示部，指示部訊號連接訊號接收部及氣味驅動構件，於訊號接收部接收到一氣味指示訊號，指示部依據氣味指示訊號控制對應的氣味驅動構件啟動並控制非對應的氣味驅動構件停止。藉由本創作的可切換之氣味散發裝置，可依據需要自由切換多種氣味的散發，選擇性高，並且可控制所散發氣味的濃度並延長氣味持續期限。
