The utility model discloses a two-section wedge-shaped lapped vehicle frame. The two-section wedge-shaped lapped vehicle frame is composed of front plate springs, a front suspension and a rear suspension. One end of the front suspension is provided with a first wedge-shaped joint, one end of the rear suspension is provided with a second wedge-shaped joint matched with the first wedge-shaped joint, the first wedge-shaped joint is lapped under the second wedge-shaped joint, the two outer sides of the first wedge-shaped joint and the second wedge-shaped joints are riveted with fastening plates, the bottom of the first wedge-shaped joint and the top of the second wedge-shaped joint are provided with connecting beams; the front plate springs are arranged both outer sides of the front suspension. The two-section wedge-shaped lapped vehicle frame is simple in structure, meets the stepping requirements of front or middle opening public buses through a two-section lapping mode, reduces the cost compared with a traditional die-pressed vehicle frame chassis, is pioneering in China and has huge market potential.