Eyeball marking pen

The utility model relates to an eyeball marking pen. The eyeball marking pen comprises a positioning piece and a dyeing piece, the positioning piece is a hollow rod and comprises a jacking rod, a jacking head and a handheld part, one end of the handheld part is communicated and fixedly connected with one end of the jacking rod, the other end of the jacking rod is fixedly connected with the jacking head, the dyeing piece comprises a pressing head, a blunt end and a guide wire, one end of the guide wire is fixedly connected with the blunt end, and the other end of the guide wire is fixedly connected with the pressing head. A first sliding groove for the blunt end to slide is formed in the top pressing head. According to the eyeball marking device, an operator holds the positioning piece by hand, presses the jacking head at the position of a retina fissure and then pushes the pressing head to slide, so that the dyeing piece and the blunt end are driven to slide synchronously, a dyeing agent in the groove of the