The invention discloses a glass polishing guide device. A conveyor belt is arranged on the upper surface of a base, a support plate is connected to the base, a clamping assembly is fixedly connected to the lower end surface of the support plate, a polishing assembly is arranged on the one side of the clamping assembly, and a limiting blocking assembly is arranged on the other side of the clampingassembly; the limiting blocking assembly comprises a first electric telescopic push rod; the telescopic end of the first electric telescopic push rod is connected with a second motor; the output end of the second motor is connected with a baffle; the two ends of the upper part of the side surface of the baffle are respectively provided with a first port and a second port; the two ends of the polishing assembly are respectively provided with a first tracking rotator matched and connected with the first port and a second tracking rotator matched and connected with the second port; the lower endof the first tracking rotator is provided with a first distance sensor; and the lower end of the second tracking rotator is provided with a second distance sensor. The glass polishing guide device provides good guidance for polishing, facilitates smooth and accurate subsequent polishing, ensures fine polishing, improves polishing accuracy and reduces errors.