The invention relates to a multifunctional jewelry engraving machine used for engraving equipment of jewelry; the engraving machine comprises a base; a shell is fixed above the base and internally provided with X, Y and Z engraving systems of axes; the middle part of the base is provided with two upright plates which space the engraving systems of axes; a knife-holding bracket is connected with the Y engraving system of axes which controls the back and forth movement of a graver respectively; and the Z engraving system of axes controls the up and down displacement thereof and is connected with X engraving system of axes or the Y engraving system of axes. The invention adopts the structure mode of upright plate spacing so as to cause supporting and fixing to the jewelry and control to the graver to be implemented from two directions, thus conveniently engraving each part of the jewelry from multiple angles.