Disclosed is a throwing-away mechanism for an aircraft drogue chute. The mechanism comprises a body fixed to an aircraft body, and a locking mechanism and a fire blast tube which are fixed to the body. The body is a clamping plate shaped rigid body, an arc protrusion is arranged at the lower rear portion of the body, the fire blast tube is fixed to the lower front portion of the body, the lockingmechanism comprises a locking hook, a locking rod and a locking jaw, the locking hook is fixed to the lower rear portion of the body through a first rotating shaft, the locking rod is a cantilever rod, the locking jaw is of a lever structure and is located between the fire blast tube and the locking hook, the lower end of the locking jaw is located behind the fire blast tube and restrained by a tension spring, and the other end of the tension spring is fixed to a fixing base of the fire blast tube.