A tire rim structure including an annular inner ring provided on the inner ring of a tire body and a circular outer ring provided on the outside of the tire body, fixedly connected to the annular inner ring, and formed by stamping. The annular inner ring includes an annular inner ring body formed by extrusion, an annular left ring provided at one side of the annular inner ring body and formed by extrusion, and an annular right ring provided at the other side of the annular inner ring body, connected to the circular outer ring, and formed by extrusion. A shaft hole is provided at the middle part of the circular outer ring.