The utility model provides an easy to install car tire valve, which includes the valve metal body and wrapped in vitro elastic metal, the metal body of the head threaded protective cap, elastic body between the top and the protective cap For the interval and the formation of the rim valve installed on the tool into the space. The utility model makes the installation of car tire valve, the valves do not have to grip the effort, simply insert the flexible tool body between the top and the protective cap, pull up car tire valve. Along with the protective cap to the next generation with the drive valve can easily be installed in the wheel rim valve hole.