The utility model relates to the technical field of section steel, in particular to C-shaped forklift portal section steel which comprises a web and two wing plates, the two ends of the web are connected with the wing plates, connecting outer corners are formed at the connecting positions of the web and the wing plates, a groove is formed in the center of the bottom end of the web, and the two wing plates are arranged in the groove. Wherein the two wing plates are parallel to each other and are perpendicular to the web plate, the web plate and the two wing plates are integrally formed, the cross section formed by the web plate and the two wing plates is in a C shape, first round corners are arranged on the outer sides of the bottom ends of the wing plates, second round corners are arranged on the inner sides of the bottom ends of the wing plates, and the first round corners and the second round corners are arranged in a staggered mode. The C-shaped forklift portal section steel is simple in structure and is provided with a safe arc chamfer structure and a limiting guide structure, so that the C-shaped forklift portal section steel is easy to safely apply, meanwhile, stable operation of the rolling wheel is guaranteed, the friction period of the rolling wheel and the section steel is prolonged, the stability and the service life of a forklift are improved, the production cost is reduced, and the using economical efficiency of the forklift is improved. The practicability is high.