The utility model discloses an electronic toothpaste tube, including cylindricality shell (1), power take off subassembly (2) and promotion subassembly (3), cylindricality shell (1) is followed to promotion subassembly (3) under the drive of power take off subassembly (2) central axis direction moves, power take off subassembly (2) including micro step motor (2.1), middle part fixing base (2.2) and lead screw (2.3) parallel with cylindricality shell (1) center pin, promote subassembly (3) and include transmission slide block (3.1) and piston cushion (3.2). Utilize pulse signal drive step motor to rotate the principle of solid constant angle degree according to setting for the direction, realize the ration with step motor with lead screw, piston mating reaction and extrude toothpaste, the child's operation of being convenient for, have operate steadily, space utilization height, high transmission efficiency, energy dissipation low grade advantage, simple structure, convenient operation, market prospect is good.