FRP pultrusion profile is a new type of composite material made by using glass fiber as the reinforcing material, resin as the binder, and glass fiber cloth as the wrapping reinforcement layer, through thorough penetration, heating, molding,solidification in the metal mold, and drawing under the traction of the tractor. Its glass fiber content is up to 65%, It has good physical and mechanical properties and more suitable for use in the case of high strength and large span.