This paper aims to explore the way to find the species combination for the vegetation restoration on the abandoned filed in the loess hill and gully area.From the classification of 33 abandoned field samples by the TWINSPAN classification method, it follows that there were 5 comm unities in the past 40 years, include ding the communities of Artemisia aria, Leymus secalinus, Lesped eza davurica Stipa bungeana, Artemisia gmelinii, and Bothriochloa ischaemum.The main species niche characteristics were analyzed based on the resources and environment integration of each community.Finally, some suitable species combi- nations were found.This result can offer people the direction to nat ural vegetation restoration.