Abstract: The natural bamboo forests are very rich in the Dawei Mountain which is situated at the southeastern Yunnan with the tropical north-vergeclimate.The bamboo forests cover 43 percent of the total natural forests,forming an important forest resources.This paper reports the distribution and the structural characteristics of 8 types of natural bamboo forests i.e.Schizostachyum funghomii,Sch.pingbianensis,Indosasa sinica,I.pingbianensis,I.purpures,Dendrocalamus sikkimensis,Fargesia porphyrea and Yushania brevis forests.The origin and succession of Sch.funghomii and I.sinica forests are also discussed.