Abstract: In the tropical rainforests of Xishuangbanna the biological diversity is extremely rich,and the fig is a king of key plant species.It is the biggest tropical rainforest of China,and there has the most species of Ficus in China.There has all the 4 subgenus of Ficus,including 23 species and subspecies of Urostigma;4 species of Pharmacosyea;2 species and subspecies of Sycomorus,and 41 species,subspecies and variants of Ficus.Now 69 species,subspecies and var-species of Ficus was reported in Xishuangbanna,which takes 69.4% of all Ficus reported in China.There are the obligate pollinating wasp and some non-pollinating wasps in syconia.29 species of Ficus and 30 species specific of pollinators and more than 170 species non-pollinating wasps have been identified in Xishuangbanna,while many other Ficus species and their wasp communities have not been classified because of lacking samples.Pollinating and non-pollinating wasps,which interacts each other and affect the fig-pollinator mutualism,construch the complex wasp community in syconia.The study of this community now is in primary phase,and it requires more thorough and material compositive researches of ecology,biology,genetics and molecular biology.