Abstract: On the basis of trap types, and according to the genesisgical feature of traps, non-tectonic oil-gas pools in China and m orpholo-can be dividedinto four major types(depositional，diagenetic, h川rodynamic, and hybrid type)，four subtypes and ten tiny types.The concept and the basic char-
acteristics of every type are discussed，some examples are given and a new
approach is made to the traditional classification methods in this paper.