A rail transport trolley comprises a first trolley portion (1) and a second trolley portion (2). The first trolley portion (1) is provided with a pair of wheels distributed on the two sides, the second trolley portion (2) is provided with a pair of wheels distributed on the two sides, and the first trolley portion (1) and the second trolley portion (2) are connected in a rotatable mode through a hinging mechanism. According to the rail transport trolley, the first trolley portion (1) and the second trolley portion (2) are connected in the rotatable mode through the hinging mechanism, when the trolley runs on two uneven rails or encounters unexpected sundries existing on the rails, mutual torsion is generated between the first trolley portion (1) and the second trolley portion (2) so as to enable the four wheels of the whole trolley to make contact with the rails always, and therefore derailment is avoided.