Abstract: In order to study the respond of soil animal communit on the edge effect of Phoebe zhenna plantations of the western borders of the Sichuan Basin mountain, choosing the 58-year-old Phoebe zhenna plantation as objects, Macro-fauna samples were picked up by hand and using Tullgren-Baermann separation methods to investigate the soil animal communities in wooldland margins of Phoebe zhenna plantation woodland.The results showed that a total of 887 individuals of soil fauna, belonging to 3 phylums, 9 classes, 12 orders, 23 families. The survey results displayed that the number order of soil fauna in herb was the edge (5.37×10⁴)>the center (2.69×10⁴), The density order of total species was the edge (21)>the center (17). Soil animal community was obviously surface-accumulated.The density-group index (DG) was significantly higher on the edge than in the center. There were extremely significant differences about the diversity index (D) (P<0.01).The various diversity index (H'), the dominance index (C), evenness (J) were no significant differences (P>0.05). In conclusion, the edge effect led to the synergism of soil animal density, number of species and diversity were significantly higher than those in the center the forest land.