Through the investigation on Dendrobium Sw. resources of Chongqing, the species, distribution, ecological environment, and industry situations were basically clarified. The results showed that six counties including the Nanchuan district and Shizhu county had about 4 species, which mainly grew on trunks of forest plants such as Quercus phillyreoides, Ficus virens, walnut tree, and Fagus longipetiolata, as well as cliff valley. Its growth of the main conditions and illuminations has a great influence on ecological factors in Dendrobium Sw. stem growth. The cultivated variety of Dendrobium Sw. was a single. It was still in the early-stage trial of industry development.