The invention discloses an English word learning auxiliary device. A machine body of the English word learning auxiliary device is provided with a keyboard, a display screen, an MIC, a main power source jack and a horn. The front portion of the upper end face of the English word learning auxiliary device is lower than the rear portion of the English word learning auxiliary device. A flip cover is matched with a lower area of the upper end face of the machine body and is provided with an LED array area. Luminous diodes are arranged in the LED array area. A clamping groove is formed in the lower side of the LED array area. Sensing elements equidistantly distributed are arranged in the clamping groove. Clamping tenons are arranged on sides of a plurality of letter models. Each clamping tenon is provided with a recognition object, and the middle upper portion of each clamping tenon is provided with a letter-shaped transparent body. A central processing unit, an information input unit, a voice recognition unit, a voice output unit, a display output unit, a letter model recognition unit, a storage unit, a temporary storage, a memory curve unit, an LED control unit, a main power unit and an LED driving power supply unit are integrated on a circuit board. According to the English word learning auxiliary device, a scientific and perfect memorizing method is adopted to be combined with the high-tech electronic device, so English word memorization becomes more interesting. Consequently, the English word learning auxiliary device improves learning interest and memory efficiency of students and has prominent practicability.