A multi-purpose spray cans

A multifunctional spray cans, belongs to the field of medical technology equipment. Comprising a body having a reservoir chamber, the bottom of the tank provided in the reservoir chamber of a high pressure nozzle; provided in the buffer reservoir chamber lid; a central body mounted on the lids, the lids constituting liquid passages, the top is formed with a hole and the dosing chamber bore, characteristics: amount adjusting means comprises a mist adjustment cap and a regulating valve provided in the outer cap adjusted dosing bore, which defines the bottom of the middle through hole adjusting lever, the adjusting lever through hole four weeks between the adjustment cap and the wall of louvers provided, the adjustment cap is formed along the flange, the flange and the outer rim of the dosing cavity sealing engagement; regulating valve is adjusted below the cover, the cover side towards the adjustment shaft extended to the intermediate lever and a lower lever adjustment in a height direction limit flange is formed, the upper end of the adjustment lever upward adjustment cap stuck outside after passing through the through hole adjusting lever. Advantages: to automatically adjust the amount of mist; wide adjustment range and to facilitate adjustment; avoid drug waste.