A passivation reaction device for standard ball machining comprises a box body; an object carrying table is fixedly connected with one side of the bottom of an inner cavity of the box body; a passivation box is fixedly connected with the middle position of the bottom of the inner cavity of the box body; a supporting table is fixedly connected with the side, away from the object carrying table, ofthe bottom of the inner cavity of the box body; a pressure resistant device is fixedly connected with the side, away from the bottom of the inner cavity of the box body, of the supporting table; a sequencing box is fixedly connected with the side, away from the supporting table, of the pressure resistant device; a lifting device is fixedly connected with the side, away from the top of the inner cavity of the box body, of a threaded slider; a rotating device is fixedly connected with the side, away from the threaded slider, of the lifting device; and a transporting device is fixedly connected with the side, away from the lifting device, of the rotating device. The invention relates to the technical field of steel ball machining. Passivation liquid in the device is made to keep the optimal effect, the machining quality is guaranteed, steel balls move in the passivation liquid, passivation is made more complete, time is saved, the product safety is protected, and the device is protected against damage.