Supporting tool of vehicle and vehicle

The vehicle supporting tool comprises a first supporting rod and a second supporting rod, a containing cavity is formed in the second supporting rod, a limiting structure is arranged at an opening of the containing cavity, a telescopic structure is arranged on one side of the limiting structure, the first supporting rod is connected into the second supporting rod in a sleeved mode, and the second supporting rod is connected with the first supporting rod in a sleeved mode. The outer wall of the first supporting rod abuts against the limiting block so that the first supporting rod and the second supporting rod can be relatively fixed. The utility model further discloses a vehicle which comprises a vehicle door, and the vehicle door is provided with the supporting tool of the vehicle. According to the supporting tool of the vehicle, the first supporting rod and the second supporting rod are matched through the limiting structure to adjust the relative position of the first supporting rod and the second supportin