Abstract: Cement precalcining kiln's working condition and its influence on kiln refractory are described here. Technical progress of precalcining kiln and its requirements on basic refractory as well as basic refractory development are also discussed. The author made an analysis both on China's precalcining kiln development and kiln used refractory. The development of precalcining kiln refractory in the near future is raised by the author.