The invention discloses a burr removing tool for an inner end of a positioning pin hole of a gear shifting swing rod of an automobile transmission. The burr removing tool comprises a working table and a sliding supporting plate; an automobile swing rod sleeve cylinder and automobile swing rod anti-rotating blocks are fixedly arranged above the sliding supporting plate; a manual swing rod is hinged to the middle position of the front side wall of the sliding supporting plate; the left side and the right side of the sliding supporting plate are each provided with a connecting rod which extends left and right; each connecting rod is sleeved with a return spring. The outer side of each connecting rod is provided with a supporting block for supporting the corresponding connecting rod; the front side and the rear side of the sliding supporting plate are each provided with two bearings; the bearings are arranged at intervals in a left and right manner to guide left and right moving of the sliding supporting plate; and the left side and the right side of the neck of the sliding supporting plate are each provided with a limiting plate for limiting left and right moving of the sliding supporting plate. The burr removing tool is novel in conception, ingenious in design, convenient to operate and high in automation degree; the production efficiency and product consistency are remarkably improved; and the burr removing tool has the wide popularization value.