The invention relates to an automatic glass processing device, comprising a bracket, a withdrawal device, a transmission mechanism, a cutting device, a grinding device, a cleaning device and a drying device; On the transmission mechanism, the transmission mechanism includes several rollers for carrying glass and sliding the glass, and several rollers are uniformly arranged on the rollers; the rollers are driven by motors; the glass is driven through the cutting device and the grinding device in turn , a cleaning device and a drying device; the cutting device, the grinding device, the cleaning device and the drying device are arranged on the support; compared with the prior art, by setting the withdrawal device, the transmission mechanism, the cutting device, the grinding device, the cleaning device on the support device and drying device; glass conveying, cutting, grinding, cleaning and drying can be completed at one time, and the whole process is streamlined, which improves work efficiency, saves production time, and is conducive to popularization.