The utility model discloses a twin tires wheel structure, including the hub, the both ends of hub all are equipped with outside first circular boss, and the hub is the integrated into one piece structure, is equipped with the circular boss of outside second in the middle of the hub, and the circular boss of second becomes the parallel slot of twice with the tire installation shape of face of hub, all is equipped with the intake pipe on every parallel slot, being equipped with the valve inside that admits air in the intake pipe, installing first tire and second tire on two parallel slots respectively, first tire and second tire use the circular boss of second to distribute as central symmetry. The utility model discloses twin tires wheel structure can install two tires additional, and wherein an arbitrary tire can both guarantee that the vehicle normally traveles, if there is tire to damage or blow out, the vehicle still can continuously drive, has reduced driver's reaction rate and the requirement of driving technology, and it is controllable that the messenger can't expect not that controllable factor becomes, has effectively promoted driving safety, does not influence the installation that has the wheel now moreover again.