Glass positioning jig

The utility model relates to the technical field of glass processing, and discloses a glass positioning jig which comprises a positioning table plate, chamfers are arranged at the four corners of the positioning table plate, an adjusting groove is formed in the upper end face of the positioning table plate, a positioning adjusting assembly is arranged in the adjusting groove, and a sliding sleeve is arranged on the inner wall of the side, close to the chamfers, of the adjusting groove in a penetrating mode. A sliding sleeve is arranged in the sliding groove, the sliding sleeve is connected with a positioning adjusting assembly in a matched mode, the positioning adjusting assembly comprises an adjusting block, the adjusting block is connected with the adjusting groove in a matched mode, right-angle clamping plates are arranged on the top face of the adjusting block, and a connecting shaft is inserted into the sliding sleeve in a penetrating mode. According to the scheme, the connecting shaft extends out along