The utility model discloses a portable externally-used prompter for news collection and editing. The display device comprises two display screens and a supporting frame used for supporting the displayscreens. A positioning device is arranged on the support frame; the positioning device is composed of a vertical containing plate and a butterfly type installation combination, the butterfly type installation combination is composed of a connecting shaft and two positioning plates, one end of each positioning plate is hinged to the connecting shaft, a containing groove is formed in the top of thevertical containing plate, and the bottom of the connecting shaft is rotatably connected with the two sides, close to one side, of the containing groove. According to the utility model, the positioning device is composed of a vertical containing plate with a containing groove and a butterfly type installation combination. The connecting shaft and the two positioning plates are arranged on the butterfly type installation combination structure, the positioning plates are used for being connected with the display screen, the connecting shaft is rotatably connected with the two side walls in thepositioning groove, and therefore the two positioning plates are oppositely rotated, then the connecting shaft is rotated, the two coincident positioning plates enter the containing groove, the overall size is greatly reduced, and carrying is convenient.