Glass slitting device and glass slitting method

The invention relates to the technical field of glass slitting, in particular to a glass slitting device which comprises a device frame, a slitting platform mounted on the device frame, a cantilever arranged on the device frame, a slitting knife mounted on the cantilever and running in the front-back direction, and a control device connected with the slitting knife and capable of controlling running of the slitting knife. The slitting device comprises a device frame, a slitting knife is installed on the device frame, the slitting knife can move front and back on glass placed on a slitting platform and cut the glass, the part, acting on the glass for cutting, of the slitting knife is a cutting line, a laser lamp is installed on the device frame, the laser lamp is connected with a control device, and the laser lamp can emit laser irradiation light. The laser irradiation light irradiates along the parting line. The slitting device has the advantages that the produced glass is not easy to damage, the slitting can