The utility model discloses a device for starting an engine by virtue of gun drill rotation or hand pull. The device comprises an engine body; a starter is arranged on the engine body, and comprises a starting wheel, a starting wheel torsion spring, a torsion spring fixing disc, a clutch disc, a wire coil, a starting rope, a starter disc spring, a fixing sleeve and a starting shaft; a starting sleeve which is fixedly connected with, in threaded connection with or clamped with the starting shaft is arranged at an end portion of the starting shaft of the engine body; one end of the starting sleeve is connected with the starting shaft, while the other end of the starting sleeve is connected with a gun drill; a starting heat clamped with the starting sleeve is locked to a chuck at an end portion of the gun drill; the starting sleeve is an inner hexagon screw; a blind hole with internal threads is formed in an end portion of the starting shaft; the starting sleeve is mounted in the blind hole of the starting shaft by virtue of threaded connection; the starting head is a hexagon screwdriver. The device is characterized in that the starting sleeve is connected to the end portion of the starting shaft so that the engine can be started by use of the gun drill, and choices for users are added; the device is suitable for different users, and is more convenient and easier to operate.