A work specification correcting apparatus comprises: a keeping section that keeps a correction rule to a work specification representative of a work content in a predetermined form, which is to be applied to a work apparatus for performing a work in accordance with the work specification, the correction rule being associated with a making source where the work specification is made; an obtaining section that obtains the work specification created by the making source; and a correcting section that applies a correction to the work specification obtained by the obtaining section in accordance with the correction rule kept in the keeping section in an association with the making source of the work specification, and transmits the corrected work specification to the work apparatus.