Vehicle longeron and have frame of this longeron

The utility model relates to a vehicle longeron and have frame of this longeron. Longeron part is divided into the anterior segment in proper order, is out of shape section and back end including longeron body, this longeron body from one end to the other end, the anterior segment, be out of shape section and back end and be integrated into one piece, the anterior segment, be out of shape section and back end have respectively last airfoil reach under the airfoil, wherein, the cross -section of longeron body is the C type. Compare many straight structures that C type web is connected for the longeron on the prior art frame, the longeron that this scheme provided uses steel less, thus it is with low costs, also be favorable to the vehicle lightweight.