The grinding wheel cutting mechanism of the glass-breaking edging machine is easy to adjust up and down. It includes grinding wheel feed adjustment unit, grinding wheel height adjustment unit, grinding wheel level adjustment unit and grinding wheel cutting unit, grinding wheel drawing unit and grinding wheel height adjustment unit connection, grinding wheel height adjustment unit and grinding wheel level adjustment unit connection, grinding wheel level adjustment unit and grinding wheel Cut the wound unit connection. When the utility model is used, the grinding wheel feed unit and the grinding wheel height adjustment unit can be used to conveniently control the grinding head up and down. The special mechanism designed on the basis of the actual situation has greatly improved the defects of similar products that it is inconvenient to replace the grinding wheel, the height of the grinding wheel is inconvenient, the grinding wheel cannot be adjusted horizontally, and the service life is not long.