In order to understand the artificial forest soil nutrient status and ameliorationeffects，the soil contents of carbon(C)，nitrogen(N)，and phosphorus(P)and ecological stoichiometric characteristics of different vegetation types were analyzed to provide the theoretical basis and technical guidance for the spatial distribution pattern and technology ofafforestation for vegetation restoration.The changes ofC，N and P contents of the six different vegetation types of artificialforest，i.e.Robinia pseudoacacia，Sophora davidii，Wikstroemia chamaedaphn，Osteomeles schwerinae，Ziziphus jujube， Vitex negundo，were measured with field investigation and laboratory analysis，and the effects of different vegetation typeson soil nutrient and stoichiometric characteristics were evaluated by fuzzy mathematic membership function method.ThesoilC，N and P contents in artificial forest of different vegetation types were relativelylow，and were in the middle and lower levels in dry-hot valley region in Bailongriver.The soil C∶N ratio of the Robinia pseudoacacia，Sophora davidii， Osteomeles schwerinae，Ziziphus jujube，Vitex negundowere increased with the increasing soildepth.The average soilC∶P and N∶P ratios of the six vegetation types were much lower than the average value of the global countries orChina.Themost effective vegetation type for amelioration on soil nutrientelements，stoichiometry and soil physical properties was the Wikstroemia chamaedaphne，followed by Vitex negundo and then by Robinia pseudoacacia.Therefore，these three species were recommended as the pioneer species of afforestation in dry-hot valley region in Bailongriver.