Atomizer and aerosol canister

The utility model relates to an atomizer. This atomizer including the drum lid that is used for the fixed connection aerosol canister body, be used for with right angle communicating pipe of the valve rod intercommunication of the aerosol canister body, fix right angle communicating pipe the top be used for pressing the nozzle of end and rectangular cast of right angle communicating pipe and valve rod. The nozzle is rotatable. Be equipped with staggered first passageway and second channel each other in the nozzle, atomizer possesses first spraying state and second spraying state, when atomizer is in first spraying state, the first passageway of right angle communicating pipe and nozzle intercommunication, when atomizer is in second spraying state, the second channel intercommunication of right angle communicating pipe and nozzle. The utility model discloses a longer passageway of atomizer can spray to the object is inside, and short passageway is fit for ordinary spraying to be used, and convenience of customers switches the use according to actual conditions, has improved atomizer's convenient to use nature.