Abstract: Dendrobium orchid has a high ornamental value. In this study, four Dendrobium species introduced to Sichuan from Yunnna were used as materials for studying their biological characteristics and adaptability. The results showed that the introduction has achieved initial success.Four Dendrobium species could normally grow and flower properly in two introducing sites,and the growth of introduced Dendrobium in Chengdu area was better than that in the Emei area.Dendrobium chrysotoxum Lindl was the most adaptable,which had the highest survival rate of all introduced Dendrobium species.