Abstrcat Taking bare land as control, three forest lands, viz. Schima superba, Cunninghamia lanceolata, enclosing tending forest land are studied. According to the studies on storage function and dynamic change of their soil reservoirs, the results show that mean annual water storage of soil reservoir in Schima superba, Cunninghamia lanceolata, enclosing tending forest and the control was 381.1 mm, 368.7 mm, 336.9 mm and 243.6 mm, accounting for 75.62%, 78.18%, 74.62% and 59.57% of total capacity respectively. Average monthly water storage of different types of soil reservoirs in different seasons was rainy season rain middle season dry season; Mean monthly water storage of Schima superba, Cunninghamia lanceolata, enclosing tending forest was separately 124.8 mm, 121.9 mm and 85.0 mm greater than that in the control in rainy season, and in dry season it was 141.0 mm, 129.2 mm, 91.0 mm greater respectively