The utility model discloses a rail conveying device which comprises a rail laying machine pushing truck, a support and a hydraulic oil cylinder. A cantilever is pivoted to the front portion of the rail laying machine pushing truck, a rail to be conveyed is arranged on the cantilever, one end of the support is fixed to the front portion of the rail laying machine pushing truck, the other end of the support extends in the direction of the cantilever, the cylinder body end of the hydraulic oil cylinder is pivoted with the other end of the support, and the piston end of the hydraulic oil cylinder is pivoted with the front end of the cantilever. The rail conveying device further comprises lower fixing square steel and vertical fixing square steel, wherein the lower fixing square steel is welded to the front portion of the rail laying machine pushing truck for reinforcing a truck body, the vertical fixing square steel is located above the lower fixing square steel, a truck body connecting plate is arranged between the lower fixing square steel and the vertical fixing square steel, and the lower fixing square steel and the vertical fixing square steel are connected together through the truck body connecting plate. The support comprises main supporting square steel, lower supporting square steel and a reinforcing rib. According to the rail conveying device, when long steel rails are laid, the mortise-fitting heights of the rails are reduced, the construction time is shortened, and it is guaranteed that the long steel rails are safely laid with the high quality.