A chamber (1) and an air conduit (7) connecting a liquid surface retaining hole (5) with an air hole (6) for supplying air from the outside of an electrostatic atomizer (50) to the chamber (1) are provided. When the liquid surface retaining hole (5) is blocked, the liquid supply from a liquid supplying section (3) to the chamber (1) will be stopped. The air conduit (7) has bent sections (8), and a space (10) for holding the liquid is formed in the air conduit (7).
