The present invention provides a language output switching control method that can automatically switch to a language of use, a vending machine, and a vending machine that can be used by a user without causing an operational burden to the user. The vending machine (10) is capable of outputting various kinds of information including commodity guide information using one or more of the plurality of languages, and the vending machine (10) includes an output unit (11) for outputting various information, (16) for holding a plurality of kinds of language information (D1 to Dn) for expressing various kinds of information in a plurality of languages, and a holding unit (16) for performing close-range wireless communication with a portable information terminal (20) (Da), and a usage language information (D1 to Dn) corresponding to the usage language (Da) obtained by the short-range wireless communication unit (15), and outputting from the output unit (Da) (14) for outputting the use language output switching control unit (14).