The utility model provides a shield tunnel segment reinforced structure, the reinforcement body that links to each other including three sections of jurisdiction that are used for meeting with the axial, locate adjustment mechanism and pipe piece bolt on consolidating the body, the interval is equipped with first through -hole and second through -hole on consolidating the body, pipe piece bolt includes a pipe piece bolt and the 2nd pipe piece bolt, a pipe piece bolt pass wherein one side in first through -hole and three sections of jurisdiction the section of jurisdiction hand hole, a pipe piece bolt can move for first through -hole under adjustment mechanism's promotion, the 2nd pipe piece bolt passes the section of jurisdiction hand hole of the opposite side in second through -hole and three sections of jurisdiction. The utility model provides a shield tunnel segment reinforced structure reinforces the body and matches with pipe piece bolt, but fastening shaft to three sections of jurisdiction that meet, through an adjustment mechanism adjustment pipe piece bolt for the fixed position who reinforces the body, can make the rigidity of every section of jurisdiction, avoid producingthe displacement between axial two adjacent sections of jurisdiction, and then avoid section of jurisdiction cuo tai, damage.