The utility model discloses an electron vacuum pump structure, including the pump body, be provided with the chamber of admitting air, exhaust chamber, drive room, air chamber in the pump body, can hold through the air chamber and admit air in a large number to through the improvement of the commentaries on classics roller in air chamber gas flow rate, make gas can get into the exhaust chamber fast. The utility model discloses gaseous quick flow in the pump body be can realize, the pump drainage volume and the work efficiency of vacuum pump have been improved.