The invention relates to the technical field of assistant auxiliary devices for teaching and in particular relates to an assistant shorthand device for English words. The assistant shorthand device islow in use limit, convenient in adjusting placement angles of books, convenient for users to use, high in practicability, in addition, diverse in working mode, good in use effect, good in teaching assistant effect and thus improved in use reliability. The assistant shorthand device comprises a plate body, a plurality groups of magnetic buckles, a magnetic plate, a connecting rack, a vertical plate as well as two groups of front fixing stands, two groups of rear fixing stands, a conveyer belt, a servo motor, a clamping plate, a chain, a mounting rack, an audio player, a sound amplifier and a card reader, wherein the plurality groups of the magnetic buckles are fixed on the plate body in a sucked manner; two groups of transmission rollers are respectively arranged on a first rotating shaftand a second rotating shaft; the conveyer belt is arranged on the two groups of transmission rollers in a sleeving manner; the top end of the vertical plate is clamped inside a clamping groove; a mounting groove is formed in the plate body; the card reader is electrically connected with the audio player; a slot is formed in the card reader; a frequency variable device is arranged on the sound amplifier.