Results are reported from on site study on soil moisture dynamics of slopeland, involving in the contour hedgerow/crop intercropping (ST1), hedgerow without crop(ST2), traditional crop cultivation (ST3) and bare slopeland (ST4), in dry valley area of Jinsha River. Hedgerow layer depleted soil moisture beneath 50cm during meta and anaphase of dry season, and promoted infiltration of rainfall into deep soil during rainy season, which leads to not only a significant reduction of surface flow in rainy season but a rather improvement of soil water regime of deep layers in monsoon and dry season. Soil profile of slopeland could be characterized by four layers, i.e. drastically changing layer (0~30cm), gradually changing layer (30~100cm), slightly changing layer (100~150cm) and stable layer (>150cm) for hedgerow system (ST1 and ST2), whereas drastically changing layer(0~30cm), gradually changing layer (30~50cm), slight changing layer (50~120cm) and stable layer (>120cm) for ST3 and ST4. The temporal dynamics of soil moisture could be characterized by three periods: depletion phase, complementarity phase, and stability phase during a dry season and rainy season circle.