Abstract: According to the study result of species selection, 12 species of Eucaly-ptus and Acacia were introduced in 1993 in Yuanmou of Yunnan Province Through observing and analysing for more than 2 years and comparing the adaptability and rapidly-growing ability with Leucaena lecocephala introduced successfully before the authors found that Eucalyptus camaldulensis, A auriculiformis, A caciamangium were the optimal afforestation species in dry-hot river valley of Yuamou This had certain significance to guide the selection of suitable species for local vegetation recovery.