Abstract: The analysis of main Quaternary mammalian faunas associated with human fossil and studies of the other disciplines showed that the pleistocene humans of North China lived in the natural environment that Qinghai/Xizang plateau was rapidly rising, the three large stairs in the topography decreasing in height from west to east were gradually created, and the climate became colder and drier but there were multiple fluctuations in this general trend.

Key words: pleistocene; human environment