Mengzhou City was also called as Heyang County in BC 106 at first, and was renamed Mengzhou in 843 and Mengxian County in 1377. In the winter of the year 1978, Jili Commune was incorporated into Luoyang. On January 18, 1986, according to The Approval on Henan Provincial Administrative Reform of the State Council, Xinxiang area was repealed, and Mengxian County was under the jurisdiction of Jiaozuo City. On May 20, 1996, approved by the State Council, Mengxian County was transformed into a county-level city.