The invention discloses a medical atomization device convenient for shared use by multiple users. The atomization device comprises an atomization device body, and a spray port arranged in the top of the atomization device body. A mist collecting cover is arranged on that top of the atomization device body. The top of the atomize device body is also provided with an annular slide groove. A mist guide pipe is communicated with the mist collecting cover. The other end of the mist guide pipe is connected with an atomization mask. A support frame mounted on the top of the atomization device body ismounted on the outside of the mist collecting cover. An annular fixing sliding groove is mounted on the top end of the support frame. The mist guide pipe is connected with the annular fixing slidinggroove through an annular clasp. A one-way electromagnetic valve is arranged at the communication part between the mist guide pipe and the mist collecting cover. A controller is arranged on the atomization device body. The device provided by the invention can be simultaneously used by multiple users for nebulizer therapy, and can be simultaneously used for treating patients suffering the same disease, and is small in space occupancy, convenient to use, simple in structure and suitable for practical use.