The utility model discloses a cyclic annular cranium bone traction device belongs to the medical equipment field, aims at solving the dislocation problem that probably exists in the middle of the cranium bone traction process, include: fixed ring gu (1), solid fixed ring be the annular structure, solid fixed ring be equipped with vertical distribution's arm around, solid fixed ring be used for thecover at people's skull, traction frame (2), the traction frame be 1 or a plurality of, the one end and the solid fixed ring fixed connection of traction frame, the other end of traction frame is connected with connecting portion (3), connecting portion be used for and traction line connected, staple (4), staple (4) pass solid fixed ring's arm, the staple is equipped with and moves fixing deviceand be used for moving the axis orientation of staple to solid fixed ring and fix.