Based on investigation and consultation,18 species of plants are initially selected for Wujiazi iron mine ecological recovery.The factors such as adaptability,functional and economical character comprehensively and the features such as drought resistance,pest resistance,cold resistance,heat resistance,barren,soil conservation,soil improvement,greening effect,the cost of cultivation,management and raise cost,economic output are considered.The relative importance of the decision-making program the qualitative judgment will be quantified by using analytic hierarchy process(AHP).Following 8 plants are finally chose as the most suitable species to the conditions of Wujiazi iron mine including Zanthoxylum bungeanum,Ulmus uyematsui,Juglans regia,Medicago sativ,Astragalus adsurgens,Platycladus orientalis,Setaria viridis and Sabina vulgaris.