Abstract: Tianshan piedmont depression belt in southern margin of Junggar basin is of peculiar surface and underground geologic conditions, so its seismic prospecting is very difficult. In recent years, with the deepening of available data understanding, a set of field seismic data acquisition technologies suitable for the southern margin are summed up. They are: the fine reconnaissance and remote sensing supporting line selection, the surface structural modeling supported by micro?logging, flexible shooting and receiver, wide line and long array observation as well as lighting analysis?based observation system. Using these technologies in Dushanzi area of the southern margin, the data showing real strata structural forms and inner structures are obtained