The utility model relates to an embedded segmented mold structure of antifriction board, including well die sleeve antifriction board and base antifriction board, well die sleeve antifriction board and base antifriction board pass through damascene structure fixed connection respectively on well die sleeve and base. Wherein, well die sleeve antifriction board damascene structure including a pair of " T " the type groove that sets up below on well die sleeve and set up on well die sleeve antifriction board the below with the tapered side of banding is then designed on corresponding a pair of embedded " T " type limit in " T " type groove, all the other two edges of well die sleeve antifriction board, two heads of each side rethread have equal tapered compress tightly the nail fix on the fastening of well die sleeve antifriction plate voltage in on the die sleeve. For the mounting structure of traditional antifriction board, its advantage lies in: the wholeness on protection antifriction board surface, no surface breakdown point, and the location is accurate, and the surface is complete pleasing to the eye.