The invention discloses an electric comb which comprises a handle. A comb head is arranged on the left side of the handle, comb teeth are arranged on the lower surface of the comb head, and a resistoris arranged in the comb head; a display screen is arranged at the right end of the handle, a switch is arranged on the right side of the display screen, and an adjusting button is arranged on the right side of the switch; a solar module is arranged on the right side of the adjusting button, and an induction module is arranged above the solar module; an intelligent module is arranged on the rightside of the induction module, a battery box is arranged on the right side of the intelligent module, and a spring is arranged in the battery box; a ring is arranged on the lower side of the battery box, a power line is arranged on the upper side of the ring, and a plug is arranged on the right side of the power line. The comb has the advantages of being simple, easy to operate, low in cost, free of static electricity generation, attractive and practical, and having the effects of dredging collaterals, maintaining beauty and keeping people young.