The utility model is household electric pepper grinder field of food processing apparatus, which is formed by the cover and the base, the motor output shaft is mounted a gear, the gear is composed of the external gear and the internal gear, the shaft end can be inserted movement on the internal gear, shaft bottom mounting mill cores, a spring mounted on the shaft, grinding mill core elastic frame fixed in the core base, this simple structure, easy to use, small size, grinding speed, low cost , is suitable for home use handheld electric pepper grinder.