The invention discloses an automatic pencil with a timer. The automatic pencil comprises a pencil holder, a pressure head, a pencil point, a rubber pad, a refill, an induction device, a pencil clamp and a blinking timer; the pressure head is arranged at the top end of the pencil holder; a spring is arranged at the lower end of the pressure head, and is in piston connection with the pencil holder; the pencil point is arranged at the bottom end of the pencil holder; the pencil clamp is arranged on one side, neat the lower side of the pressure head, of the upper end of the pencil holder; the rubber pad is arranged on the upper side, near the pencil point, of the lower end of the pencil holder; the rubber pad coats the pencil holder; the blinking timer and a driving device are arranged in the pencil holder; the blinking timer is positioned below the pressure head; the induction device is arranged below the blinking timer; the driving device is arranged above the pencil point; the induction device and the driving device transfer pencil using information through vibration of the refill; the blinking timer is arranged on the pencil holder and capable of set prompt time; and when the time is arrived, an indicator lamp can blink to represent that the pencil using, working and learning time is arrived, so that users can take a rest, the fatigue is reduced, and the working and learning efficiency is improved.