Abstract: Dendrobium officinate is a precious traditional Chinese medicine. Researches were conducted on the growth characteristics and adaptability of 9 varieties of Dendrobium officinate, which were introduced from different origions to the area of Mount Emei in Sichuan provice;And their polysaccharide content was also measured. The result showed that Zhejiang No. 2 had the best adaptability and the most content of polysaccharide. The introduced wild resources were of good adaptability and resistance, able to be used as a good source for development of dendrobil industry in Sichuan.