To provide an aerosol sprayer which can reduce a liquid to a fine spray by eliminating or reducing an after-draw of the liquid.

The aerosol sprayer includes a storage container for storing liquid to be sprayed, a nozzle 11 provided on the container, and a spray button provided at the forward end of the nozzle. If the button 2 is depressed, a liquid to be sprayed stored in the storage container is sprayed from a spray hole 7 through a delivery path provided in the button 2. An internal retaining means is provided to retain in the button 2 the liquid remaining in the delivery path of the button 2 after the spray of the liquid. The holding means consists of a capacity variable chamber 101 and a liquid passage hole 102 provided between the chamber 101 and the delivery path of the button 2, and if the button 2 is released, the liquid flows to the chamber 101, and hence the liquid is retained in button 2.