The utility model discloses a flying tail operating rock arm connection structure belongs to aircraft rocking arm connection structure design field. Include: operating rock arm, horizontal tail macroaxis, bolt, gasket, lock nut and split pin, the main power of the biography critical area of operating rock arm is provided with the first installation face of broad, and the less regional setting of the main power of biography of operating rock arm has narrower second installation face, first installation face and second installation shape of face circularize the installation face, the operating rock arm cup joints in the horizontal tail epaxially greatly through looping -in face, gasket and lock nut fastening are passed through from an operating rock arm side -mounting, the other end that passes the operating rock arm to bolt one end to install the split pin additional on lock nut. The utility model discloses the operating rock arm is installed with the officious announcement width fitting surface of adoption and the ladder taper bolt of horizontal tail macroaxis, under the condition that does not influence operating rock arm intensity, rigidity, both can reduce structure weight, alsomakes the rocking arm more easily install simultaneously, can effectively reduce the installation space demand of traditional taper bolt.