The invention relates to a rivet nut electric tool, which is used in the technical field of machinery. The rivet nut electric tool comprises an outer cover, a clutch control system, a gear transmission system, a stroke control system and a screw rod screw nut assembly, wherein the clutch control system, the gear transmission system, the stroke control system and the screw rod screw nut assembly are arranged in the outer cover, the clutch control system is matched with the gear transmission system for performing separation and reunion and transmission, the stroke control system precisely controls the stroke, when the screw rod moves, signals can be provided, screw nut riveting can be carried out, a gear clutch assembly drives a hexagonal connecting rod for completing rivet nut screwing-in and screwing-out operation, three sensors are connected with a circuit board through control wires, the clutch control system is matched with the three sensors to work, and a trigger is arranged on the outer cover. The rivet nut electric tool has the advantages that the power is high, rivet nuts in different specifications can be riveted, the circuit board precisely controls the clutch control system, the gear transmission system and the stroke control system, the rivet nuts can be enabled to be reliably installed in place for riveting, in addition, the stroke and the electric quantity are visible, the operation is convenient, and high practicability is realized.