A high-quality database that includes multi-beam bathymetry, piston core, AMS 14C dating, micropaleontologic data, was used to investigate the interactions between down- and along-slope processes within the Taiwan Canyon, South China Sea Slope off southwestern Taiwan. Interactions between down- and along-slope processes are strong and active within the submarine canyons. One thick sand layer with a length of 127 cm and eight thin sand layers ranging from 8-15 cm have been recognized within the core (699cm long) HD133 at a water depth of 3284 m. These sand layers contain significant amount of shallow water benthic foraminifera, revealing that the transportation of sediments form the shelf and/or upper slope basinward into the core site. The following characteristics, however, indicate that along-slope bottom currents were also involved in the construction of core HD133: the sand layers are predominately composed of silt and fine sands with an averaging grain size of 1-4Φ; these sandy sediments are well sorted with sorting coefficient of 2.5-1.0; the feldspar quartz ratio is relatively low, suggesting high textual and compositional maturities; the cumulative frequency diagram indications that grain size of the core sediments commonly shows a tripartite segregation; the sands intervals consist of the matrix-poor clean sands, and show sharp contacts with the silts above. Bulimina aculeate, Planulina wuellerstorfi and Eggerella bradyi, which have been widely accepted as the Northern Pacific Deep Water indicator, are abundant within core sediments. The wide occurrence of the bio-skeletons and shell fragments suggest the erosion of the bottom currents. The Taiwan Canyon is funnel-shaped, with the width increasing from the west to the east. HD133 core is located at the very place where the canyon becomes narrow. Taken together, it is can be concluded that both down-slope turbidity currents and along-slope processes bottom currents were active and vigorous during the deposition of core HD133. The sand deposits with core HD133, thus, are can be interpreted as the products of interactions between down- and along-slope processes.