Child toy car with tires convenient to replace

The utility model discloses a child toy car with tires convenient to replace. The child toy car comprises a child toy car body, and two sets of tire replacing devices are detachably installed below the child toy car body. Each tire replacement device comprises a limiting block mounted below the child toy car main body and a pair of child toy car tires, and each child toy car tire is provided with a wheel part and a connecting shaft part; the limiting block is provided with a transversely-through inserting groove, and the connecting shaft part of the child toy car tire slides into the inserting groove of the limiting block from the side direction and is locked in the inserting groove; and the separation of the child toy car tire and the limiting block can be completed by unlocking. The connecting shaft part of the child toy car tire can be locked through the limiting clamping block, and the position of the limiting clamping block can be changed, so that locking can be released, and the child toy car tire can b