We presented the integrative diet of the Yunnan Snub-nosed Monkey(Rhinopithecus bieti)based on feeding behavior observation on 2 nature groups at Tacheng in the Baimaxueshan National Nature Reserve for more than 7 years and the distribution of diet component in the study area first time since this monkey was refound.Totally,113 plants and fungi were accumulatively observed feeding by the monkey,including 1 fungus,2 lichens and 110 spermatophytes scattering at different elevations and forest types.This food item list includes more species than any food list composed before and it is due to habituation of the monkey groups to humans since they descend their elevation range and spend more time in the ground in the study area.They can reach the food items distributed at lower elevation.The food components varied seasonally which implies the food supply fluctuated seasonally in the study area.Local people inhabiting around the monkey’s home range also make use of some dietary items of R.bieti for house-building,fuelwood,Chinese traditional medicine and food.