Provided is a bubble-jetting member, the tip section of which is not damaged even when high voltage is applied thereto.There can be provided a bubble jetting member comprising: a core that is formed of a conductive material； a shell part that is formed of an insulating material, includes an extended section that extends beyond the tip of the core, and is closely adhered at least partially to the core and covers the core； and a space that is formed between the extended section and the tip of the core and has a bubble-jetting port, wherein there is formed on the tip of the extended section a thick portion that is thicker than the rest of the extended section whereby the tip section is not damaged.
