The utility model relates to the field of monorail traffic engineering, and discloses a connecting structure of a rail beam and a shield segment, which comprises a pedestal arranged at the bottom of the rail beam, two supports respectively arranged on the pedestal, and a plurality of embedded parts embedded in the shield segment, the two ends of the track beam are detachably connected with the twosupports respectively. A plurality of pedestal main ribs are arranged in the pedestal, each pedestal main rib is provided with an extending part extending out of the end, in butt joint with the shield segment, of the pedestal, and each extending part corresponds to one embedded part and is connected with the corresponding embedded part in a matched and threaded insertion mode. According to the connecting structure of the track beam and the shield segment, connection of the track beam and the shield segment can be achieved, the requirements for strength, rigidity and stability of a vehicle andthe track beam under a downward load are met, linear adjustment, maintenance and replacement of the track beam are facilitated, construction is convenient, and the manufacturing cost is low.