Abstract: The distribution of wild Poacynum hendersonii communities in the Qaidam Basin was investigated,analyzed and studied.The preliminary information of the distribution of habitats,distribution and reproduction of the growth conditions and population had been gained, which provides a theoretical basis for rational and efficient use and rational resource recovery of wild Poacynum hendersonii.

Key words: wild Poacynum hendersonii, growth conditions, reproduction of population, Qaidam Basin