Abstract: There are lots of different opinions in petroliferous basin system research.According to analysis of basin system,comprehension of standards of oil and gas resources assessment,classification and comparison of basins in science and technology,basin system research can be divided into 2 parts,i.e.basin philosophy and basin technology.With modern geology,geophysics and geochemistry theories,basin philosophy studies the ontology,epistemology and disposition of basins.Rules of basin evolution and hydrocarbon generation can be obtained by basin philosophy studies.With modern geology,geophysics,geochemistry and applied math theories,basin technology studies evolutions of basin and hydrocarbon,providing technique supports for resource assessment.