Frame with high structural strength and vehicle

The utility model provides a frame and a vehicle with high structural strength, the frame comprises a support frame, two first cross beams and two fixing frames, the two fixing frames are arranged on the two first cross beams, the fixing frames and the first cross beams have different height positions, each fixing frame comprises a first folding edge, a second folding edge and a third folding edge, and the second folding edge is arranged on the support frame. The first folded edge is flush with the first cross beam, the first folded edge and the third folded edge are arranged in parallel, and the second folded edge is vertically arranged between the first folded edge and the third folded edge; the supporting frame is arranged between the two fixing frames and located between the two first cross beams, the supporting frame is flush with the first cross beams, the supporting frame comprises a connecting plate and two second cross beams, the connecting plate is connected between the two second cross beams, the e