The invention relates to a tire installing tool for a hub, and belongs to the technical field of hubs. The tire installing tool for the hub is provided with a tensioning device. A lower fixed plate is arranged on the tensioning device and is L-shaped. An L-shaped upper movable plate is arranged on the lower fixed plate. The lower fixed plate and the upper movable plate are provided with tensioning hooks respectively. A material pushing worktable is arranged on the right side of the tensioning device and provided with a plurality of roller wheels. A base is arranged under the tensioning hooks, and the tensioning hooks are provided with hook corners. The tire installing tool for the hub has the beneficial effects that the tensioning device is arranged and provided with the lower fixed plate and the upper movable plate; the lower fixed plate is provided with the tensioning hooks; the material pushing worktable is arranged on the right side of the tensioning device; the tensioning device is used for tensioning a wire; the material pushing worktable is used for moving the hub forwards, and the traditional problem of tire installation difficulty is solved. The tire installing tool for the hub is simple in structure, convenient to operate and low in cost.