The reasons of trans-region water resource conflicts lie in unclear water resource ownership, irrational contract participants and lacks of the third supervisor viewing for incomplete contract. This paper, under the theoretical basis of graph model, analyzes their status transfer and stability of each major strategy of trans-region water resource conflicts, and attempts to present workable path to Ili River water resource conflict. Water right trading mode is a better way of prominent stability in dealing with trans-region water resource conflicts, compared with the traditional trans-region water resource interest negotiation mode. This paper provides a path to trans-region water resource conflicts and to its management system reform.