Since the 18^th CPC National Congress, with the comprehensive advancement of governing the country according to law, to resolve the provincial water disputes through letters and visits has become a new trend of economic subject. Therefore, it is an indispensable part of enriching the basin water resources management practice to analyse and study the stability of Zhanghe River Basin provincial water order from the perspective of function on letters and visits about water. Through the analysis of the causes for the problems of the letters and visits about water of upper reaches of Zhanghe River Basin, clearing the present stage solution of the letters and visits about water of upper reaches of Zhanghe River Basin, it provides reference samples for other River Basin organizations in the disposal of similar letters.