A dripping detection apparatus includes a cylindrical drip cylinder into which a nozzle is inserted from an upper side and that receives inside a liquid droplet dripping from a lower end of the nozzle, and a photo interrupter that has equal to or more than one light emitting element emitting light and equal to or more than two light receiving elements receiving the light, wherein the equal to or more than one light emitting element and the equal to or more than two light receiving elements are arranged at opposing or substantially opposing positions with the drip cylinder interposed between the elements and equal to or more than two light paths connecting the equal to or more than one light emitting element to the equal to or more than two light receiving elements are located at a lower side relative to the lower end of the nozzle.