Objective In order to analysis the effects of habitat and seasonal variation on the structure and diversity of soil Collembolan community in Badagong Mountains National Nature Reserve, and provides basis for further evaluating and monitoring forest health in nature reserves.

Method The soil Collembolan from litter and soil layer of Fagus lucida forest, Betula luminifera forest and Castanopsis fargesii forest was collected by Tullgren dry funnel method in April, July and November 2016.

Result A total of 3 785 soil Collembolans were captured, belonging to 4 orders, 15 families and 29 genera. The dominant genera are Folsomia, Entomobrya, Hypogastrura and Onychiurus, accounting for 71.08% of the total individuals. Most of the soil Collembolan distributed in the litter layer. The quantity of genus, quantity of individual, the Shannon-Wiener diversity index and the Margalef richness index were in order of F. lucida forest > C. fargesii forest > B. luminifera forest. The dominant genus of soil Collembolan was significant and positively correlated with total soil organic matter and soil nitrogen, but negatively correlated with soil total potassium and pH value. The quantity of genus, the Shannon-Wiener diversity index, the Pielou evenness index and the Margalef richness index were the highest in spring (April), while the largest quantity of individuals but the lowest Margalef richness index in autumn (November).

Conclusion The structure and diversity of soil Collembolan community in Badagong Mountains National Nature Reserve are significantly affected by the seasonal variation and habitats. The vegetation types and soil physical and chemical properties of habitat shared the common distribution of soil Collembolan. Therefore, maintaining diversity of vegetation and preserving plant litter have a positive effect on promoting soil Collembolan diversity.