Abstract: With the rapid development of air transport, the cases of compensation for inter national air crash are increasingly enlarged, and the issue of the jurisdiction relates to the determination of each case .This paper starts with differentiati ng between domestic air crash cases and international air crash cases, then anal yses the four kinds of jurisdiction provided by the Warsaw Convention 1929,an d the fifth jurisdiction added by the Montreal Convention 1999, in the end it di scusses the grounds upon which Chinese domestic courts determine the jurisdictio n of international air crash cases on top of this.