The utility model relates to a braille copier. A main body is provided with an electronic thermostated container on left part, is provided with a paper pressing frame and a perforated plate on right part and is provided with a movable negative pressure bin on lower part. The negative pressure bin is arranged on a slide track. The tail end of the paper pressing frame is connected with a support shaft. The main body is provided with a vacuum pump inside and the suction inlet of the vacuum pump is connected with a suction hose whose the other end is connected with the negative pressure bin. The front part of the main body is provided with a temperature display instrument, a power button, a temperature setting switch, a heating time switch and a negative pressure sustaining switch. The bottom of the electric thermostated container is provided with a heat-insulating cover plate. Sealing layers are stuck between the perforated plate and the negative pressure bin and on the paper pressing frame. When, the braille copier is used, a piece of plastic paper is softened, is absorbed on papers with convex words, and therefore, the piece of plastic paper is formed into braille convex words.