Nanofiber manufacturing device and nanofiber manufacturing method

A nanofiber manufacturing device comprising:

• an ejector that is capable of ejecting a solution from a head portion toward a target;
• and
• a power generator that generates a potential difference between the head portion and the target, wherein
• the head portion includes a first guide having a first surface and a second guide having a second surface, the first surface and the second surface making a gap, the gap being capable of maintaining the solution,
• a tip of at least one of the first guide and the second guide includes a maintain portion provided so as to be capable of maintaining the solution,
• the tip of at least one of the first guide and the second guide has a concave and a convex, and
• a step is provided between an end portion of the first guide and an end portion of the second guide.